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MA phone number directory
Carriers, NPAs, prefixes and rate centers for MA.
Top carriers in MA
| Carrier | OCN | Blocks | Open |
|---|---|---|---|
| VERIZON NEW ENGLAND INC. | 9102 | 1288 | View |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | 377 | View |
| SPRINT SPECTRUM L.P. | 6664 | 235 | View |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 234 | View |
| TC SYSTEMS, INC. | 7135 | 176 | View |
| XO MASSACHUSETTS, INC. | 4536 | 150 | View |
| LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | 149 | View |
| CTC COMMUNICATIONS CORP. - MA | 3370 | 129 | View |
| COMCAST PHONE OF MASSACHUSETTS, INC. - MA | 6101 | 114 | View |
| OMNIPOINT MIAMI E LICENSE, LLC | 6889 | 113 | View |
| BANDWIDTH.COM CLEC, LLC - MA | 990 | 111 | View |
| CHOICE ONE COMMUNICATIONS - MA | 4673 | 106 | View |
| CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | 4052 | 98 | View |
| PAETEC COMMUNICATIONS, INC.- MA | 4084 | 97 | View |
| BROADWING COMMUNICATIONS, LLC - MA | 8924 | 87 | View |
| GLOBAL CROSSING LOCAL SERVICES, INC.-MA | 8345 | 81 | View |
| MCI WORLDCOM COMMUNICATIONS, INC. - MA | 7199 | 72 | View |
| AT&T LOCAL | 7421 | 64 | View |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 62 | View |
| RCN TELECOM SERVICES, INC. - MA | 7619 | 57 | View |
| BROADVIEW NETWORKS, INC. - MA | 2899 | 54 | View |
| ONVOY, LLC - MA | 892 | 49 | View |
| NORFOLK COUNTY INTERNET, INC. | 6083 | 46 | View |
| ALLEGIANCE TELECOM, INC. - MA | 6168 | 44 | View |
| METRO PCS, INC. | 5562 | 41 | View |
| LOCAL ACCESS LLC - MA | 966 | 39 | View |
| PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 268 | 38 | View |
| VOXBEAM TELECOMMUNICATIONS INC. - MA | 989 | 18 | View |
| BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | 7103 | 14 | View |
| BROADVOX-CLEC, LLC - MA | 131 | 10 | View |
| DSCI, LLC | 966 | 10 | View |
| CENTURYLINK COMMUNICATIONS LLC | 7575 | 9 | View |
| CHARTER FIBERLINK MA-CCO, LLC - MA | 293 | 7 | View |
| FREEDOM RING COMMUNICATIONS, LLC | 8468 | 5 | View |
| WIDE VOICE, LLC - MA | 756 | 5 | View |
| YMAX COMMUNICATIONS CORP. - MA | 316 | 5 | View |
| AMERICAN MESSAGING SERVICES, LLC | 9748 | 4 | View |
| GLOBAL NAPS, INC.-MA | 7755 | 4 | View |
| NEP, LLC | 174 | 4 | View |
| TIME WARNER CABLE INFORMATION SVCS (MASSACHUSETTS) | 871 | 4 | View |
| CBEYOND COMMUNICATIONS, LLC - MA | 019 | 3 | View |
| CROCKER TELECOMMUNICATIONS, LLC - MA | 745 | 3 | View |
| NEXTWAVE TELECOM, INC DBA NEXTWAVE WIRELESS | 6832 | 3 | View |
| RCLEC, INC. - MA | 393 | 3 | View |
| TELNYX LLC | 073 | 3 | View |
| AIRUS, INC. - MA | 428 | 2 | View |
| BARR TELL USA, INC. - MA | 732 | 2 | View |
| MULTIPLE OCN LISTING | 2 | View | |
| ONVOY SPECTRUM, LLC | 624 | 2 | View |
| PACOPTIC NETWORKS, LLC - MA | 736 | 2 | View |
| VONAGE NETWORK INC. | 197 | 2 | View |
| ADVANCED TELECOM SOLUTIONS, LLC | 181 | 1 | View |
| BRIGHTLINK COMMUNICATIONS, LLC | 551 | 1 | View |
| COMAV CORPORATION | 7031 | 1 | View |
| COMMIO, LLC | 939 | 1 | View |
| CRC COMMUNICATIONS OF MAINE, INC. - MA | 236 | 1 | View |
| GETGO COMMUNICATIONS LLC - MA | 895 | 1 | View |
| GRANBY TELEPHONE LLC | 0036 | 1 | View |
| HD CARRIER LLC | 321 | 1 | View |
| MAGNA5 LLC - MA | 3849 | 1 | View |
| MAGNA5 LLC - MA | 311 | 1 | View |
| MAGNA5 RTC LLC DBA RICHMOND TELEPHONE COMPANY | 0037 | 1 | View |
| METROPOLITAN TELECOMMUNICATIONS OF MASS DBA METTEL | 0334 | 1 | View |
| MOSAIC NETWORX LLC - MA | 648 | 1 | View |
| PRISM MASSACHUSETTS OPERATIONS , LLC - MA | 3295 | 1 | View |
| TACONIC TELEPHONE CORP. | 0084 | 1 | View |
| TELENGY LLC | 148 | 1 | View |
| WEST TELECOM SERVICES, LLC - MA | 116 | 1 | View |
| WORLDCALL INTERCONNECT INC. | 139 | 1 | View |
Top 200 carriers (by blocks) in this state.
Ad Unit
Optional ad.Number blocks (sample)
| NPA | NXX | Rate center | Carrier | Open |
|---|---|---|---|---|
| 339 | 200 | HINGHAM | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 339 | 201 | WEYMOUTH | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 339 | 202 | LEXINGTON | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 339 | 203 | WAKEFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 204 | DEDHAM | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 339 | 205 | WEYMOUTH | LOCAL ACCESS LLC - MA | Prefix |
| 339 | 206 | NORWOOD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 339 | 207 | LYNN | ONVOY, LLC - MA | Prefix |
| 339 | 208 | RANDOLPH | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 339 | 209 | WEYMOUTH | ONVOY, LLC - MA | Prefix |
| 339 | 210 | SAUGUS | BROADVOX-CLEC, LLC - MA | Prefix |
| 339 | 212 | MARBLEHEAD | METRO PCS, INC. | Prefix |
| 339 | 213 | DEDHAM | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 339 | 214 | NORWELL | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 339 | 215 | LEXINGTON | BROADVOX-CLEC, LLC - MA | Prefix |
| 339 | 216 | RANDOLPH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 217 | DUXBURY | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 339 | 218 | HANOVER | METRO PCS, INC. | Prefix |
| 339 | 219 | WAKEFIELD | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 339 | 220 | BRYANTVL | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | Prefix |
| 339 | 221 | MEDFORD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 222 | WALTHAM | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 223 | LEXINGTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 224 | MALDEN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 225 | NEEDHAM | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 226 | REVERE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 227 | WOBURN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 230 | SHARON | XO MASSACHUSETTS, INC. | Prefix |
| 339 | 234 | BURLINGTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 235 | BRAINTREE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 236 | HINGHAM | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 237 | CANTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 240 | BURLINGTON | TELNYX LLC | Prefix |
| 339 | 244 | BRYANTVL | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 339 | 293 | MELROSE | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 339 | 298 | WOBURN | SPRINT SPECTRUM L.P. | Prefix |
| 339 | 309 | KINGSTON | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 339 | 333 | LINCOLN | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 339 | 337 | COHASSET | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 339 | 364 | SHARON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 368 | ARLINGTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 440 | LYNN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 444 | SAUGUS | ONVOY, LLC - MA | Prefix |
| 339 | 469 | ROCKLAND | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 339 | 499 | WEYMOUTH | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 339 | 502 | CANTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 339 | 526 | SCITUATE | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 339 | 532 | REVERE | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 339 | 545 | MEDFORD | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 339 | 600 | SAUGUS | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 339 | 613 | NORWELL | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 339 | 645 | WOBURN | VERIZON NEW ENGLAND INC. | Prefix |
| 339 | 666 | LYNN | ONVOY, LLC - MA | Prefix |
| 339 | 674 | MEDFORD | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 339 | 686 | WELLESLEY | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 339 | 707 | ARLINGTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 339 | 777 | NEEDHAM | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 339 | 788 | ROCKLAND | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 793 | MARSHFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 832 | KINGSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 883 | LYNN | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 339 | 888 | LYNN | ONVOY, LLC - MA | Prefix |
| 339 | 900 | MARSHFIELD | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 339 | 927 | WOBURN | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 339 | 933 | BRYANTVL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 970 | LEXINGTON | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 339 | 987 | RANDOLPH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 339 | 999 | WOBURN | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 351 | 200 | ASHBY | TC SYSTEMS, INC. | Prefix |
| 351 | 201 | DANVERS | SPRINT SPECTRUM L.P. | Prefix |
| 351 | 202 | PEPPERELL | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | Prefix |
| 351 | 203 | DANVERS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 351 | 204 | LAWRENCE | SPRINT SPECTRUM L.P. | Prefix |
| 351 | 205 | GEORGETOWN | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | Prefix |
| 351 | 206 | ROCKPORT | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | Prefix |
| 351 | 207 | GEORGETOWN | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 351 | 208 | LOWELL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 351 | 277 | LAWRENCE | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 351 | 322 | LOWELL | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 351 | 333 | HARVARD | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 351 | 444 | IPSWICH | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 351 | 666 | PEABODY | ONVOY, LLC - MA | Prefix |
| 351 | 777 | HUBBARDSTN | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 351 | 814 | LAWRENCE | MULTIPLE OCN LISTING | Prefix |
| 351 | 888 | MERRIMAC | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 351 | 999 | MANCHESTER | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 413 | 200 | CUMMINGTON | CROCKER TELECOMMUNICATIONS, LLC - MA | Prefix |
| 413 | 203 | EASTHAMPTN | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 413 | 204 | SPRINGFLD | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 205 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 206 | CHICOPEE | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 207 | HUNTINGTON | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 413 | 208 | SO DEERFLD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 209 | SPRINGFLD | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 413 | 210 | HOLYOKE | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 212 | PITTSFIELD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 213 | BELCHERTN | AT&T LOCAL | Prefix |
| 413 | 214 | SPRINGFLD | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 215 | BECKET | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 216 | BECKET | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 217 | WILLIAMSTN | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 218 | SPRINGFLD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 219 | SPRINGFLD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 221 | SPRINGFLD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 222 | SPRINGFLD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 223 | GREENFIELD | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 224 | ELONGMEDOW | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 225 | NORTHFIELD | TC SYSTEMS, INC. | Prefix |
| 413 | 226 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 227 | GREENFIELD | AMERICAN MESSAGING SERVICES, LLC | Prefix |
| 413 | 228 | PALMER | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 229 | SHEFFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 230 | AMHERST | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 231 | SPRINGFLD | AT&T LOCAL | Prefix |
| 413 | 232 | W STOCKBDG | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 233 | SPRINGFLD | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 234 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 235 | STOCKBDG | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 236 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 237 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 238 | WORTHINGTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 239 | NORTHFIELD | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 240 | CHICOPEE | TC SYSTEMS, INC. | Prefix |
| 413 | 241 | SPRINGFLD | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 242 | PITTSFIELD | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 243 | LEE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 244 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 245 | BRIMFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 246 | SPRINGFLD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 247 | HATFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 248 | SHEFFIELD | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 249 | PITTSFIELD | AMERICAN MESSAGING SERVICES, LLC | Prefix |
| 413 | 250 | SPRINGFLD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 251 | HINSDALE | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 252 | BELCHERTN | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 253 | AMHERST | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 254 | TURNERSFLS | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 255 | GRANBY | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 413 | 256 | AMHERST | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 257 | SPRINGFLD | AMERICAN MESSAGING SERVICES, LLC | Prefix |
| 413 | 258 | SANDISFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 259 | AMHRSTFKLN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 261 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 262 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 263 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 264 | SPRINGFLD | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 265 | HOLYOKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 266 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 267 | MONSON | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 268 | WILLIAMSBG | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 269 | OTIS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 270 | NORTHAMPTN | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 413 | 271 | SPRINGFLD | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 272 | SPRINGFLD | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 273 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 274 | HOUSATONIC | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 275 | HOLYOKE | TC SYSTEMS, INC. | Prefix |
| 413 | 276 | SPRINGFLD | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 413 | 277 | WARE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 278 | SPRINGFLD | DSCI, LLC | Prefix |
| 413 | 279 | WILBRAHAM | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 280 | NORTHAMPTN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 281 | PITTSFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 282 | EASTHAMPTN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 283 | PALMER | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 284 | PALMER | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 285 | SPRINGFLD | MAGNA5 LLC - MA | Prefix |
| 413 | 286 | SPRINGFLD | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 287 | RUSSELL | ONVOY, LLC - MA | Prefix |
| 413 | 288 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 289 | PALMER | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 290 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 291 | SPRINGFLD | ONVOY SPECTRUM, LLC | Prefix |
| 413 | 292 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 294 | SPRINGFLD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 295 | SPRINGFLD | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 296 | CHESTERFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 297 | SPRINGFLD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 298 | STOCKBDG | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 299 | HATFIELD | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 300 | DALTON | TIME WARNER CABLE INFORMATION SVCS (MASSACHUSETTS) | Prefix |
| 413 | 301 | SPRINGFLD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 302 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 303 | EASTHAMPTN | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 304 | SPRINGFLD | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 413 | 306 | SPRINGFLD | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 307 | ADAMS | AT&T LOCAL | Prefix |
| 413 | 308 | LUDLOW | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 309 | SPRINGFLD | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 310 | SPRINGFLD | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 313 | HOLYOKE | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 314 | SPRINGFLD | BROADVOX-CLEC, LLC - MA | Prefix |
| 413 | 315 | HOLYOKE | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 316 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 317 | SPRINGFLD | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 318 | ELONGMEDOW | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 319 | HOLYOKE | ONVOY, LLC - MA | Prefix |
| 413 | 320 | NORTHAMPTN | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 322 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 323 | BELCHERTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 324 | PALMER | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 325 | GREENFIELD | TC SYSTEMS, INC. | Prefix |
| 413 | 326 | NORTHAMPTN | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 327 | LEE | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 328 | SPRINGFLD | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 413 | 329 | PITTSFIELD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 330 | SPRINGFLD | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 331 | CHICOPEE | CHARTER FIBERLINK MA-CCO, LLC - MA | Prefix |
| 413 | 332 | LENOX | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 333 | SPRINGFLD | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 413 | 335 | HOLYOKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 336 | AMHRSTFKLN | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 337 | CHARLEMONT | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 338 | WARREN | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 339 | CHARLEMONT | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 340 | WILLIAMSBG | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 341 | NORTHAMPTN | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 342 | SPRINGFLD | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 343 | CHESTER | VONAGE NETWORK INC. | Prefix |
| 413 | 344 | PITTSFIELD | TIME WARNER CABLE INFORMATION SVCS (MASSACHUSETTS) | Prefix |
| 413 | 345 | AMHERST | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 346 | NORTHADAMS | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 347 | PITTSFIELD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 348 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 349 | HATFIELD | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 350 | SO DEERFLD | TC SYSTEMS, INC. | Prefix |
| 413 | 351 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 352 | CHARLEMONT | GLOBAL NAPS, INC.-MA | Prefix |
| 413 | 353 | HOUSATONIC | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 354 | CHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 355 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 356 | CHICOPEE | AT&T LOCAL | Prefix |
| 413 | 357 | GRANVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 358 | PITTSFIELD | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 359 | COLRAIN | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 360 | SANDISFLD | ONVOY, LLC - MA | Prefix |
| 413 | 362 | AMHERST | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 363 | SPRINGFLD | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 413 | 364 | SPRINGFLD | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 365 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 366 | WILBRAHAM | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 367 | MONTAGUE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 369 | CONWAY | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 370 | PALMER | CROCKER TELECOMMUNICATIONS, LLC - MA | Prefix |
| 413 | 372 | SPRINGFLD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 374 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 375 | HAMPDEN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 376 | GREENFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 377 | CHICOPEE | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 378 | CHICOPEE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 382 | SPRINGFLD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 383 | LEE | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 384 | LONGMEADOW | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 385 | LUDLOW | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 386 | SPRINGFLD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 387 | NORTHAMPTN | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 388 | CHICOPEE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 391 | SPRINGFLD | YMAX COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 394 | LEE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 395 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 397 | SO DEERFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 398 | NORTHADAMS | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 400 | MONTAGUE | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 402 | SHEFFIELD | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 403 | DALTON | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 404 | AMHERST | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 406 | AMHERST | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 407 | CHESTER | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 409 | HOLYOKE | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 410 | LENOX | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 412 | NORTHADAMS | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 417 | SPRINGFLD | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 418 | PITTSFIELD | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 420 | HOLYOKE | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 422 | MILLERSFLS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 423 | MILLERSFLS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 424 | MONROE BDG | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 425 | HOLYOKE | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 426 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 427 | HOLYOKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 429 | GREATBNGTN | TC SYSTEMS, INC. | Prefix |
| 413 | 431 | LUDLOW | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 433 | SPRINGFLD | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 436 | WARREN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 437 | HOLYOKE | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 438 | WILBRAHAM | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 439 | SPRINGFLD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 441 | PITTSFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 442 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 443 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 444 | BERNARDSTN | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 413 | 445 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 446 | PITTSFIELD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 447 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 448 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 449 | PITTSFIELD | TC SYSTEMS, INC. | Prefix |
| 413 | 451 | LONGMEADOW | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 452 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 453 | SO DEERFLD | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 454 | WESTFIELD | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 455 | SPRINGFLD | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 413 | 457 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 458 | WILLIAMSTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 459 | CHICOPEE | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 460 | BELCHERTN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 461 | AMHERST | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 464 | PITTSFIELD | TIME WARNER CABLE INFORMATION SVCS (MASSACHUSETTS) | Prefix |
| 413 | 467 | GRANBY | GRANBY TELEPHONE LLC | Prefix |
| 413 | 471 | CHESTERFLD | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 473 | NORTHADAMS | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 474 | CHICOPEE | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 475 | GREENFIELD | AT&T LOCAL | Prefix |
| 413 | 477 | GILBERTVL | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 478 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 480 | WESTFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 485 | WESTFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 486 | ELONGMEDOW | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 487 | WARREN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 489 | SHELBUNFLS | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 493 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 494 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 495 | SPRINGFLD | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 496 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 497 | GILBERTVL | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 498 | NORTHFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 499 | PITTSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 500 | MONROE BDG | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 413 | 502 | WILLIAMSBG | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 504 | SPRINGFLD | TC SYSTEMS, INC. | Prefix |
| 413 | 505 | SPRINGFLD | DSCI, LLC | Prefix |
| 413 | 507 | SPRINGFLD | METRO PCS, INC. | Prefix |
| 413 | 509 | WILBRAHAM | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 512 | GREENFIELD | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 513 | WILBRAHAM | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 517 | NORTHAMPTN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 519 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 521 | BRIMFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 522 | GREENFIELD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 523 | SPRINGFLD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 525 | ELONGMEDOW | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 526 | ELONGMEDOW | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 527 | EASTHAMPTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 528 | GREATBNGTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 529 | EASTHAMPTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 530 | HOLYOKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 531 | HOLYOKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 532 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 533 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 534 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 535 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 536 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 537 | HOLYOKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 538 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 539 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 540 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 541 | GREATBNGTN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 542 | AMHERST | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 543 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 544 | PALMER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 545 | AMHERST | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 546 | AMHERST | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 547 | LUDLOW | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 548 | AMHRSTFKLN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 549 | AMHERST | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 551 | LENOX | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 552 | HOLYOKE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 553 | PITTSFIELD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 556 | CHESTER | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 557 | CHICOPEE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 559 | AMHRSTFKLN | TC SYSTEMS, INC. | Prefix |
| 413 | 561 | HOLYOKE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 562 | WESTFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 563 | SPRINGFLD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 564 | WESTFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 565 | LONGMEADOW | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 566 | HAMPDEN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 567 | LONGMEADOW | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 568 | WESTFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 569 | SOUTHWICK | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 570 | NORTHAMPTN | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 571 | WESTFIELD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 572 | WESTFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 573 | AMHERST | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 575 | HOLYOKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 577 | AMHERST | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 578 | PALMER | AMERICAN MESSAGING SERVICES, LLC | Prefix |
| 413 | 579 | WESTFIELD | TC SYSTEMS, INC. | Prefix |
| 413 | 581 | CHESTERFLD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 582 | NORTHAMPTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 583 | LUDLOW | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 584 | NORTHAMPTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 585 | NORTHAMPTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 586 | NORTHAMPTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 587 | NORTHAMPTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 588 | NORTHAMPTN | TC SYSTEMS, INC. | Prefix |
| 413 | 589 | LUDLOW | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 591 | GREATBNGTN | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 592 | CHICOPEE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 593 | CHICOPEE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 594 | CHICOPEE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 595 | HAMPDEN | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 596 | WILBRAHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 597 | WILLIAMSTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 598 | CHICOPEE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 599 | WILBRAHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 600 | STOCKBDG | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 413 | 604 | EASTHAMPTN | GLOBAL NAPS, INC.-MA | Prefix |
| 413 | 610 | LUDLOW | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 612 | CHICOPEE | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 618 | CONWAY | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 622 | GRANVILLE | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 623 | BECKET | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 624 | COLRAIN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 625 | SHELBUNFLS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 626 | SPRINGFLD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 627 | SPRINGFLD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 628 | ASHFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 629 | PITTSFIELD | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 631 | LUDLOW | TC SYSTEMS, INC. | Prefix |
| 413 | 634 | CUMMINGTON | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 636 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 637 | LENOX | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 638 | HOUSATONIC | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 639 | WESTFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 641 | GREENFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 642 | WESTFIELD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 643 | GILBERTVL | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 644 | GREATBNGTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 645 | GREATBNGTN | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 647 | ELONGMEDOW | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 648 | BERNARDSTN | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 650 | HOLYOKE | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 652 | NORTHADAMS | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 653 | HUNTINGTON | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 654 | SPRINGFLD | CROCKER TELECOMMUNICATIONS, LLC - MA | Prefix |
| 413 | 655 | HINSDALE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 657 | SPRINGFLD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 658 | AMHERST | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 659 | MILLERSFLS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 662 | NORTHADAMS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 663 | NORTHADAMS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 664 | NORTHADAMS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 665 | SO DEERFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 666 | GRANVILLE | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 413 | 667 | HUNTINGTON | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 668 | PALMER | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 669 | HINSDALE | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 672 | NORTHADAMS | TC SYSTEMS, INC. | Prefix |
| 413 | 674 | HATFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 675 | WILBRAHAM | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 676 | TURNERSFLS | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 677 | COLRAIN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 679 | OTIS | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 682 | WILBRAHAM | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 683 | CHICOPEE | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 684 | DALTON | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 685 | HUNTINGTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 686 | SPRINGFLD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 687 | AMHERST | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 691 | ASHFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 692 | PITTSFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 693 | SPRINGFLD | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 695 | AMHERST | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 698 | RICHMOND | MAGNA5 RTC LLC DBA RICHMOND TELEPHONE COMPANY | Prefix |
| 413 | 702 | MILLERSFLS | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 707 | SPRINGFLD | ONVOY, LLC - MA | Prefix |
| 413 | 712 | SO DEERFLD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 714 | MONSON | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 717 | GREATBNGTN | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 723 | MONROE BDG | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 725 | WARE | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 726 | SPRINGFLD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 727 | NORTHAMPTN | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 728 | LENOX | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 729 | WESTFIELD | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 730 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 731 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 732 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 733 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 734 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 735 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 736 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 737 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 738 | HANCOCK | TACONIC TELEPHONE CORP. | Prefix |
| 413 | 739 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 740 | CUMMINGTON | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 743 | ADAMS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 744 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 746 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 747 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 748 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 749 | ADAMS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 750 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 751 | MONTAGUE | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 752 | BRIMFIELD | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 754 | LONGMEADOW | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 755 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 758 | WARE | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 759 | ELONGMEDOW | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 764 | W STOCKBDG | GLOBAL NAPS, INC.-MA | Prefix |
| 413 | 768 | GREENFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 769 | PITTSFIELD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 770 | PITTSFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 771 | BLANDFORD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 772 | GREENFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 773 | GREENFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 774 | GREENFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 775 | GREENFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 776 | ADAMS | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 777 | SPRINGFLD | METRO PCS, INC. | Prefix |
| 413 | 778 | WARE | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 779 | EASTHAMPTN | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 781 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 782 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 783 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 784 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 785 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 786 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 787 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 788 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 789 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 793 | WORTHINGTN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 794 | SPRINGFLD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 795 | SPRINGFLD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 796 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 798 | LONGMEADOW | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 799 | SPRINGFLD | CRC COMMUNICATIONS OF MAINE, INC. - MA | Prefix |
| 413 | 800 | AMHERST | VOXBEAM TELECOMMUNICATIONS INC. - MA | Prefix |
| 413 | 801 | AMHERST | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 803 | WILLIAMSTN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 812 | SHEFFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 813 | WARE | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 821 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 822 | PITTSFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 824 | GREENFIELD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 413 | 825 | AMHRSTFKLN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 826 | SHELBUNFLS | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 827 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 828 | GREENFIELD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 829 | GREENFIELD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 831 | SOUTHWICK | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 832 | SOUTHWICK | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 834 | GREENFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 835 | AMHERST | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 413 | 841 | PITTSFIELD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 842 | DALTON | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 845 | NORTHFIELD | GLOBAL NAPS, INC.-MA | Prefix |
| 413 | 846 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 847 | LONGMEADOW | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 848 | BLANDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 849 | CHARLEMONT | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 853 | ASHFIELD | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 854 | GREATBNGTN | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 858 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 861 | SPRINGFLD | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 862 | RUSSELL | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 863 | TURNERSFLS | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 865 | LEE | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 875 | WESTFIELD | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 881 | LENOX | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 883 | SPRINGFLD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 884 | WILLIAMSTN | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 885 | CHICOPEE | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 886 | SPRINGFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 887 | HOLYOKE | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 888 | CHICOPEE | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 889 | W STOCKBDG | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 413 | 893 | MONSON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 895 | ADAMS | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 413 | 896 | SPRINGFLD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 413 | 899 | SO DEERFLD | AT&T LOCAL | Prefix |
| 413 | 923 | NORTHAMPTN | BROOKS FIBER COMMUNICATIONS OF MASSACHUSETTS - MA | Prefix |
| 413 | 930 | SPRINGFLD | RCLEC, INC. - MA | Prefix |
| 413 | 931 | STOCKBDG | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 935 | LONGMEADOW | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 937 | LEE | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 944 | BLANDFORD | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 949 | WILBRAHAM | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 413 | 961 | WORTHINGTN | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 413 | 967 | WARE | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 977 | WESTFIELD | SPRINT SPECTRUM L.P. | Prefix |
| 413 | 992 | AMHERST | VERIZON NEW ENGLAND INC. | Prefix |
| 413 | 993 | SO DEERFLD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 413 | 994 | CHARLEMONT | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 413 | 995 | LUDLOW | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 413 | 997 | PITTSFIELD | MAGNA5 LLC - MA | Prefix |
| 413 | 998 | SOUTHWICK | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 202 | FRAMINGHAM | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 203 | FOXBORO | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 204 | FRAMINGHAM | NEXTWAVE TELECOM, INC DBA NEXTWAVE WIRELESS | Prefix |
| 508 | 205 | EASTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 206 | NATICK | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 508 | 207 | NEWBEDFORD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 208 | BROCKTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 209 | PLYMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 210 | HOLDEN | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 212 | ATTLEBORO | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 213 | WEBSTER | TC SYSTEMS, INC. | Prefix |
| 508 | 214 | WELLFLEET | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 215 | FRAMINGHAM | TC SYSTEMS, INC. | Prefix |
| 508 | 216 | FOXBORO | TC SYSTEMS, INC. | Prefix |
| 508 | 217 | BRIDGEWTR | TC SYSTEMS, INC. | Prefix |
| 508 | 218 | NATICK | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 219 | EASTON | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 221 | NANTUCKET | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 222 | ATTLEBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 223 | ATTLEBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 224 | PLYMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 225 | FRAMINGHAM | COMAV CORPORATION | Prefix |
| 508 | 226 | ATTLEBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 228 | NANTUCKET | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 229 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 230 | EASTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 231 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 232 | BROCKTON | AT&T LOCAL | Prefix |
| 508 | 233 | NATICK | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 234 | WHITINSVL | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 235 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 236 | ATTLEBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 237 | ORLEANS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 238 | EASTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 239 | FRAMINGHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 240 | ORLEANS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 241 | CHATHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 242 | MEDFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 243 | ATTLEBORO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 244 | MILFORD | TC SYSTEMS, INC. | Prefix |
| 508 | 245 | BRIDGEWTR | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 246 | ORLEANS | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 247 | ORLEANS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 248 | CHARLTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 249 | HOPKINTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 250 | FRAMINGHAM | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 251 | MARLBORO | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 252 | REHOBOTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 253 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 254 | MEDWAY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 255 | ORLEANS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 256 | BROCKTON | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 257 | SIASCONSET | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 258 | DENNIS | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 259 | HOPKINTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 261 | MANSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 262 | SEEKONK | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 263 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 264 | NEWBEDFORD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 265 | ANDOVER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 266 | WHITINSVL | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 267 | HOLDEN | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 268 | MILFORD | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 269 | EASTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 270 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 271 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 272 | EASTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 273 | WAREHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 274 | FALMOUTH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 275 | HOLLISTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 276 | WAYLAND | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 277 | MILLBURY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 278 | UXBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 279 | BRIDGEWTR | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 280 | HYANNIS | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 281 | MARLBORO | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 282 | MILFORD | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 283 | FRAMINGHAM | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 284 | GLOUCESTER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 285 | NORTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 286 | NORTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 287 | ROCHESTER | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 288 | ORLEANS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 289 | FALMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 290 | NATICK | NEXTWAVE TELECOM, INC DBA NEXTWAVE WIRELESS | Prefix |
| 508 | 291 | WAREHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 292 | OSTERVILLE | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 293 | HOPKINTON | TC SYSTEMS, INC. | Prefix |
| 508 | 294 | HOPKINTON | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 295 | WAREHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 296 | CATAUMET | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 297 | EASTON | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 298 | FRANKLIN | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 299 | FALMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 300 | FALL RIVER | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 301 | TAUNTON | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 508 | 302 | FRAMINGHAM | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 303 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 304 | WORCESTER | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 305 | MARLBORO | AT&T LOCAL | Prefix |
| 508 | 306 | HOLLISTON | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 307 | TAUNTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 308 | FRAMINGHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 309 | FRAMINGHAM | AT&T LOCAL | Prefix |
| 508 | 310 | NATICK | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 508 | 312 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 313 | BROCKTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 314 | NATICK | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 315 | NATICK | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 316 | NO ATTLEBO | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 317 | WAREHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 318 | NATICK | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 319 | NATICK | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 508 | 320 | GRAFTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 321 | MEDWAY | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 322 | WAREHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 323 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 324 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 325 | NANTUCKET | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 326 | BROCKTON | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 327 | AUBURN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 328 | HOPKINTON | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 329 | WESTBORO | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 330 | WESTBORO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 331 | FITCHBURG | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 332 | NANTUCKET | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 333 | NATICK | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 334 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 335 | WORCESTER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 336 | SEEKONK | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 337 | MANSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 338 | VINEYRDHVN | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 339 | MANSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 340 | WORCESTER | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 341 | E DOUGLAS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 342 | ATTLEBORO | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 343 | SEEKONK | TC SYSTEMS, INC. | Prefix |
| 508 | 344 | STURBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 345 | BROCKTON | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 346 | FRANKLIN | AT&T LOCAL | Prefix |
| 508 | 347 | STURBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 348 | CHATHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 349 | WELLFLEET | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 350 | EBRIDGEWTR | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 351 | NORTHBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 352 | WORCESTER | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 353 | WORCESTER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 354 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 355 | MARION | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 356 | CATAUMET | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 357 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 358 | WAYLAND | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 359 | MEDFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 360 | HYANNIS | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 361 | FRAMINGHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 362 | BARNSTABLE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 363 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 364 | BARNSTABLE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 365 | WORCESTER | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 366 | WESTBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 367 | BARNSTABLE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 368 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 369 | MANSFIELD | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 370 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 371 | FRAMINGHAM | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 372 | WHITINSVL | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 373 | WORCESTER | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 374 | NANTUCKET | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 375 | BARNSTABLE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 376 | MILLIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 377 | MILFORD | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 378 | EBRIDGEWTR | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 379 | NO SWANSEA | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 380 | FRAMINGHAM | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 381 | MILFORD | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 382 | MARLBORO | TC SYSTEMS, INC. | Prefix |
| 508 | 383 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 384 | WRENTHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 385 | DENNIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 386 | TAUNTON | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 387 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 388 | FALMOUTH | LOCAL ACCESS LLC - MA | Prefix |
| 508 | 389 | WESTBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 390 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 391 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 392 | CATAUMET | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 393 | NORTHBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 394 | DENNIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 395 | FRAMINGHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 396 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 397 | NATICK | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 398 | DENNIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 399 | SOUTHGATE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 400 | HOPKINTON | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 401 | WAYLAND | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 402 | FALL RIVER | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 403 | CATAUMET | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 404 | WALPOLE | TC SYSTEMS, INC. | Prefix |
| 508 | 405 | FRAMINGHAM | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 406 | MANSFIELD | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 407 | AUBURN | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 408 | BROCKTON | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 508 | 409 | ATTLEBORO | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 410 | WORCESTER | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 412 | WESTBORO | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 413 | PROVINCETN | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 414 | WORCESTER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 415 | FALL RIVER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 416 | FRAMINGHAM | TC SYSTEMS, INC. | Prefix |
| 508 | 417 | HOPKINTON | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 508 | 418 | HYANNIS | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 508 | 419 | OSTERVILLE | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 420 | OSTERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 421 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 422 | MILFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 423 | BILLERICA | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 424 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 425 | WORCESTER | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 426 | AUBURN | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 508 | 427 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 428 | OSTERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 429 | HOLLISTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 430 | HARWICH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 431 | ATTLEBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 432 | HARWICH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 433 | NATICK | AT&T LOCAL | Prefix |
| 508 | 434 | CHARLTON | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 435 | HOPKINTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 436 | BROCKTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 437 | BARNSTABLE | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 438 | WORCESTER | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 439 | WESTBORO | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 440 | FRANKLIN | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 441 | NEWBEDFORD | AT&T LOCAL | Prefix |
| 508 | 442 | PLYMOUTH | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 443 | BRIDGEWTR | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 444 | FALMOUTH | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 445 | CATAUMET | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 446 | FRANKLIN | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 447 | FOXBORO | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 448 | REHOBOTH | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 449 | MARLBORO | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 450 | WORCESTER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 451 | LAWRENCE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 452 | MANSFIELD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 453 | WORCESTER | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 454 | WALPOLE | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 455 | ATTLEBORO | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 456 | EBRIDGEWTR | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 457 | FALMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 458 | MILFORD | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 459 | WORCESTER | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 460 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 461 | WEBSTER | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 462 | CHARLTON | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 463 | ATTLEBORO | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 464 | UPTON | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 465 | CARVER | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 466 | NORTHBORO | AT&T LOCAL | Prefix |
| 508 | 467 | MARLBORO | TC SYSTEMS, INC. | Prefix |
| 508 | 468 | BROCKTON | TC SYSTEMS, INC. | Prefix |
| 508 | 469 | CHATHAM | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 470 | DENNIS | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 508 | 471 | WORCESTER | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 472 | WALPOLE | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 473 | MILFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 474 | HOLLISTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 475 | WESTBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 476 | E DOUGLAS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 477 | OSTERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 478 | MILFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 479 | DOVER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 480 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 481 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 482 | MILFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 483 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 484 | BROCKTON | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 508 | 485 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 486 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 487 | PROVINCETN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 488 | MILFORD | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 489 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 490 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 491 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 492 | WALPOLE | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 508 | 493 | FALL RIVER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 494 | FRAMINGHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 495 | FALMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 496 | FALL RIVER | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 497 | HOPKINTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 498 | MILFORD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 499 | OXFORD | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 500 | MARION | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 501 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 502 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 503 | PLYMOUTH | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 504 | WEBSTER | ONVOY, LLC - MA | Prefix |
| 508 | 505 | WALPOLE | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 508 | 506 | OXFORD | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 507 | FRANKLIN | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 509 | ROCHESTER | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 510 | BROCKTON | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 513 | BROCKTON | TC SYSTEMS, INC. | Prefix |
| 508 | 514 | WELLFLEET | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 517 | WESTFORD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 518 | FRAMINGHAM | TC SYSTEMS, INC. | Prefix |
| 508 | 519 | WORCESTER | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 520 | FRANKLIN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 521 | BROCKTON | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 522 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 523 | SHREWSBURY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 524 | FALMOUTH | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 525 | NEWBEDFORD | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 526 | UXBRIDGE | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 527 | PEABODY | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 528 | FRANKLIN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 529 | UPTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 530 | FRANKLIN | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 508 | 531 | BRIDGEWTR | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 532 | FRAMINGHAM | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 533 | MEDWAY | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 534 | HYANNIS | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 535 | EASTON | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 536 | FALL RIVER | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 537 | AUBURN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 538 | MARION | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 539 | OSTERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 540 | FALMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 541 | FRANKLIN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 542 | NEWBEDFORD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 543 | FOXBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 544 | HOPKINTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 545 | NATICK | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 546 | FOXBORO | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 547 | FALL RIVER | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 548 | FALMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 549 | FOXBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 551 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 552 | WORCESTER | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 553 | FRANKLIN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 556 | WORCESTER | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 557 | SEEKONK | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 558 | FALL RIVER | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 559 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 560 | VINEYRDHVN | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 561 | FRAMINGHAM | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 562 | BROCKTON | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 563 | CATAUMET | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 564 | CATAUMET | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 565 | EASTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 566 | CATAUMET | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 567 | FALL RIVER | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 568 | HYANNIS | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 569 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 570 | FRANKLIN | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 571 | NORTHBORO | TC SYSTEMS, INC. | Prefix |
| 508 | 572 | BILLERICA | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 573 | MARLBORO | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 508 | 574 | BILLERICA | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 575 | TAUNTON | NEP, LLC | Prefix |
| 508 | 576 | NO ATTLEBO | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 577 | BROCKTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 578 | DOVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 579 | WORCESTER | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 580 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 581 | MILLBURY | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 582 | HYANNIS | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 583 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 584 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 585 | BRIDGEWTR | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 586 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 587 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 588 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 589 | HOPKINTON | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 590 | FRANKLIN | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 591 | PLYMOUTH | AT&T LOCAL | Prefix |
| 508 | 592 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 593 | CHATHAM | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 594 | MANSFIELD | TC SYSTEMS, INC. | Prefix |
| 508 | 595 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 596 | FRAMINGHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 597 | MARLBORO | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 598 | FRAMINGHAM | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 508 | 599 | WESTBORO | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 508 | 600 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 603 | UPTON | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 612 | WORCESTER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 613 | FRANKLIN | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 614 | WESTBORO | AT&T LOCAL | Prefix |
| 508 | 615 | WORCESTER | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 616 | WESTBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 617 | FALL RIVER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 618 | MANSFIELD | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 619 | DENNIS | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 620 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 621 | WESTBORO | TC SYSTEMS, INC. | Prefix |
| 508 | 622 | NORTON | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 623 | FOXBORO | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 624 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 625 | HOPKINTON | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 626 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 627 | EDGARTOWN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 628 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 629 | VINEYRDHVN | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 630 | MARLBORO | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 631 | BROCKTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 632 | HARWICH | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 633 | LAWRENCE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 634 | MILFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 635 | WORCESTER | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 636 | WESTPORT | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 637 | NOBROOKFLD | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 638 | BROCKTON | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 639 | SOUTHGATE | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 640 | WEBSTER | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 641 | WALPOLE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 642 | FALL RIVER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 643 | NO ATTLEBO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 644 | ASSONET | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 645 | CHILMARK | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 646 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 647 | NATICK | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 648 | OSTERVILLE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 649 | BROCKTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 650 | NATICK | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 651 | NATICK | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 652 | NATICK | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 653 | NATICK | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 654 | NATICK | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 655 | NATICK | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 656 | FRAMINGHAM | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 657 | BELLINGHAM | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 658 | MARLBORO | LOCAL ACCESS LLC - MA | Prefix |
| 508 | 659 | BRIDGEWTR | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 660 | WALPOLE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 661 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 662 | LAWRENCE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 663 | FRAMINGHAM | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 664 | WELLFLEET | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 665 | FRAMINGHAM | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 666 | ORLEANS | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 667 | WORCESTER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 668 | WALPOLE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 669 | DIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 670 | EDGARTOWN | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 671 | WEBSTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 672 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 673 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 674 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 675 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 676 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 677 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 678 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 679 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 680 | NANTUCKET | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 681 | OSTERVILLE | FREEDOM RING COMMUNICATIONS, LLC | Prefix |
| 508 | 682 | EASTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 683 | MARLBORO | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 684 | VINEYRDHVN | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 685 | BARNSTABLE | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 686 | HOPKINTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 687 | VINEYRDHVN | ONVOY, LLC - MA | Prefix |
| 508 | 688 | WORCESTER | AT&T LOCAL | Prefix |
| 508 | 689 | FALL RIVER | TC SYSTEMS, INC. | Prefix |
| 508 | 690 | EBRIDGEWTR | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 691 | NORTHBORO | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 692 | TAUNTON | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 693 | VINEYRDHVN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 694 | DENNIS | ONVOY, LLC - MA | Prefix |
| 508 | 695 | NO ATTLEBO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 696 | VINEYRDHVN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 697 | BRIDGEWTR | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 698 | FOXBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 699 | NO ATTLEBO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 709 | NORTHBORO | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 713 | WORCESTER | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 508 | 714 | WHITINSVL | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 715 | EBRIDGEWTR | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 716 | NANTUCKET | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 717 | NEWBEDFORD | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 718 | FOXBORO | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 719 | SHREWSBURY | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 720 | NATICK | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 721 | AUBURN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 722 | AUBURN | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 508 | 723 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 724 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 725 | WALPOLE | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 726 | MARLBORO | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 727 | AUBURN | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 508 | 728 | ROCHESTER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 729 | AUBURN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 730 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 731 | OXFORD | CHARTER FIBERLINK MA-CCO, LLC - MA | Prefix |
| 508 | 732 | PLYMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 733 | FRAMINGHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 734 | WALPOLE | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 735 | WORCESTER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 736 | WORCESTER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 737 | HYANNIS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 738 | TAUNTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 739 | FRAMINGHAM | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 508 | 740 | FRAMINGHAM | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 741 | BROCKTON | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 742 | NEWBEDFORD | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 743 | BUZZARDSBY | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 744 | BARNSTABLE | AT&T LOCAL | Prefix |
| 508 | 745 | NATICK | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 508 | 746 | PLYMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 747 | PLYMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 748 | MARION | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 749 | WORCESTER | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 508 | 750 | PROVINCETN | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 751 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 752 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 753 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 754 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 755 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 756 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 757 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 758 | MATTAPOSTT | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 759 | BUZZARDSBY | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 760 | DENNIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 761 | SOUTHGATE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 762 | WORCESTER | TC SYSTEMS, INC. | Prefix |
| 508 | 763 | ROCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 764 | SOUTHBDG | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 765 | SOUTHBDG | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 766 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 767 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 768 | WESTBORO | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 769 | WORCESTER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 770 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 771 | HYANNIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 772 | FOXBORO | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 773 | FRANKLIN | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 775 | HYANNIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 776 | HYANNIS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 777 | OSTERVILLE | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 778 | HYANNIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 779 | UXBRIDGE | CHARTER FIBERLINK MA-CCO, LLC - MA | Prefix |
| 508 | 780 | DOVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 782 | FRAMINGHAM | TC SYSTEMS, INC. | Prefix |
| 508 | 783 | LAWRENCE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 784 | CHARLTON | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 785 | DOVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 786 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 787 | MARLBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 788 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 789 | ROCHESTER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 790 | HYANNIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 791 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 792 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 793 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 794 | MILLIS | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 795 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 796 | WORCESTER | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 508 | 797 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 798 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 799 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 800 | WALPOLE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 801 | WALPOLE | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 802 | TAUNTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 803 | FRANKLIN | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 804 | MARLBORO | TC SYSTEMS, INC. | Prefix |
| 508 | 805 | ATTLEBORO | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 806 | AUBURN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 807 | BRIDGEWTR | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 808 | FRAMINGHAM | TC SYSTEMS, INC. | Prefix |
| 508 | 809 | NO ATTLEBO | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 810 | NATICK | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 508 | 812 | NO SWANSEA | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 813 | TAUNTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 815 | HYANNIS | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 508 | 816 | FRAMINGHAM | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 817 | NEWBEDFORD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 818 | BROCKTON | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 819 | BRIDGEWTR | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 820 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 821 | TAUNTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 822 | TAUNTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 823 | TAUNTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 824 | TAUNTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 825 | NANTUCKET | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 826 | WORCESTER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 827 | HYANNIS | TC SYSTEMS, INC. | Prefix |
| 508 | 828 | TAUNTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 829 | HOLDEN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 830 | PLYMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 831 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 832 | AUBURN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 833 | SAGAMORE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 834 | FRAMINGHAM | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 508 | 835 | W BOYLSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 836 | WESTBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 837 | FALL RIVER | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 838 | ATTLEBORO | TC SYSTEMS, INC. | Prefix |
| 508 | 839 | GRAFTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 840 | ATTLEBORO | METRO PCS, INC. | Prefix |
| 508 | 841 | SHREWSBURY | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 842 | SHREWSBURY | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 843 | BEVERLY | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 844 | TAUNTON | TC SYSTEMS, INC. | Prefix |
| 508 | 845 | SHREWSBURY | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 846 | BROCKTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 847 | WORCESTER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 848 | FRAMINGHAM | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 508 | 849 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 850 | WALPOLE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 851 | MANSFIELD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 852 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 853 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 854 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 855 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 856 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 857 | BROCKTON | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 858 | NEWBEDFORD | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 859 | LEICESTER | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 860 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 861 | FRAMINGHAM | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 508 | 862 | HYANNIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 863 | ROCHESTER | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 864 | AUBURN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 865 | MILLBURY | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 866 | CARVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 867 | NOBROOKFLD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 868 | WORCESTER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 869 | BOYLSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 870 | WESTBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 871 | WESTBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 872 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 873 | WORCESTER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 874 | STURBRIDGE | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 508 | 875 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 876 | BLACKSTONE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 877 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 878 | CAMBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 879 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 880 | TAUNTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 881 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 882 | OAKHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 883 | BLACKSTONE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 884 | TAUNTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 885 | SPENCER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 886 | RUTLAND | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 887 | GRAFTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 888 | SAGAMORE | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 889 | ROCHESTER | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 890 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 891 | FALMOUTH | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 892 | LEICESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 893 | HOLLISTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 894 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 895 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 896 | BREWSTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 897 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 898 | WESTBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 899 | AUBURN | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 508 | 901 | NANTUCKET | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 902 | MILFORD | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 903 | NATICK | TC SYSTEMS, INC. | Prefix |
| 508 | 904 | FRAMINGHAM | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 508 | 905 | WELLFLEET | ONVOY, LLC - MA | Prefix |
| 508 | 906 | MEDFIELD | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 508 | 907 | NATICK | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 909 | SOUTHBDG | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 910 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 915 | SOUTHGATE | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 916 | FALL RIVER | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 917 | MILLBURY | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 918 | FRANKLIN | AT&T LOCAL | Prefix |
| 508 | 919 | NORTHBORO | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 921 | WALPOLE | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 922 | HOPKINTON | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 923 | MIDDLEBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 924 | EBRIDGEWTR | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 925 | SHREWSBURY | TC SYSTEMS, INC. | Prefix |
| 508 | 926 | WORCESTER | TC SYSTEMS, INC. | Prefix |
| 508 | 927 | PLYMOUTH | TC SYSTEMS, INC. | Prefix |
| 508 | 928 | BLACKSTONE | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 508 | 929 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 930 | BROCKTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 932 | BEVERLY | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 933 | ROCHESTER | METRO PCS, INC. | Prefix |
| 508 | 934 | DOVER | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 935 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 936 | NORTHBORO | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 937 | BELLINGHAM | CHOICE ONE COMMUNICATIONS - MA | Prefix |
| 508 | 938 | WESTPORT | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 939 | EDGARTOWN | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 941 | BROCKTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 942 | BROCKTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 943 | WEBSTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 944 | BROCKTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 945 | CHATHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 946 | MIDDLEBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 947 | MIDDLEBORO | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 948 | WESTBORO | TC SYSTEMS, INC. | Prefix |
| 508 | 949 | WEBSTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 951 | NEWBEDFORD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 952 | NORTON | TC SYSTEMS, INC. | Prefix |
| 508 | 954 | WRENTHAM | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 955 | CHILMARK | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 956 | WORCESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 957 | HYANNIS | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 958 | HOPKINTON | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 960 | NATICK | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 508 | 961 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 962 | FRAMINGHAM | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 963 | WORCESTER | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 964 | MANSFIELD | AT&T LOCAL | Prefix |
| 508 | 965 | NEWBEDFORD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 508 | 966 | BELLINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 967 | TAUNTON | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 508 | 968 | CATAUMET | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 969 | FRAMINGHAM | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 970 | MARLBORO | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 508 | 971 | NEWBEDFORD | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 972 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 973 | FALL RIVER | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 974 | FALL RIVER | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 975 | NATICK | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 508 | 977 | TAUNTON | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 979 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 980 | CHARLTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 508 | 981 | WORCESTER | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 508 | 982 | LAWRENCE | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 983 | WESTBORO | XO MASSACHUSETTS, INC. | Prefix |
| 508 | 984 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 985 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 986 | WESTBORO | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 508 | 987 | OXFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 988 | FRAMINGHAM | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 989 | FALL RIVER | SPRINT SPECTRUM L.P. | Prefix |
| 508 | 990 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 991 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 992 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 993 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 994 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 995 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 996 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 997 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 998 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 508 | 999 | NEWBEDFORD | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 201 | CAMBRIDGE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 202 | BRIGHTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 203 | EVERETT | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 617 | 204 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 205 | BOSTON | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 617 | 206 | BRIGHTON | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 207 | WINTHROP | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 617 | 208 | BRIGHTON | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 209 | BELMONT | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 210 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 212 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 213 | NEWTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 214 | HYDE PARK | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 215 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 216 | CAMBRIDGE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 217 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 218 | CAMBRIDGE | TC SYSTEMS, INC. | Prefix |
| 617 | 219 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 221 | QUINCY | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 222 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 223 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 224 | BOSTON | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 225 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 226 | BOSTON | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 227 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 228 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 229 | CAMBRIDGE | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 230 | CAMBRIDGE | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 231 | WATERTOWN | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 232 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 233 | CAMBRIDGE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 234 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 235 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 236 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 237 | QUINCY | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 238 | ROXBURY | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 617 | 239 | BOSTON | AT&T LOCAL | Prefix |
| 617 | 240 | SAUGUS | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 241 | CHARLESTN | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 242 | CHARLESTN | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 243 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 244 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 245 | CAMBRIDGE | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 246 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 247 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 248 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 249 | QUINCY | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 250 | CAMBRIDGE | TC SYSTEMS, INC. | Prefix |
| 617 | 251 | CAMBRIDGE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 252 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 253 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 254 | BRIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 255 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 256 | CAMBRIDGE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 257 | SAUGUS | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 258 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 259 | BOSTON | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 261 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 262 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 263 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 264 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 265 | DORCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 266 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 267 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 268 | SO BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 269 | SO BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 270 | CHELSEA | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 271 | EASTBOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 272 | HYDE PARK | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 273 | MILTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 274 | BROOKLINE | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 617 | 275 | BOSTON | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 276 | HYDE PARK | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 277 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 278 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 279 | BOSTON | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 280 | CAMBRIDGE | NEP, LLC | Prefix |
| 617 | 281 | WALTHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 282 | DORCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 283 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 284 | SOMERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 285 | SAUGUS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 286 | CHARLESTN | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 287 | DORCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 288 | DORCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 289 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 290 | CAMBRIDGE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 291 | MILTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 292 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 293 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 294 | EVERETT | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 617 | 295 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 296 | MILTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 297 | DORCHESTER | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 298 | MILTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 299 | CAMBRIDGE | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 300 | CAMBRIDGE | AT&T LOCAL | Prefix |
| 617 | 301 | CAMBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 302 | QUINCY | YMAX COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 303 | BOSTON | FREEDOM RING COMMUNICATIONS, LLC | Prefix |
| 617 | 304 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 305 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 306 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 307 | SO BOSTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 308 | CAMBRIDGE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 309 | BOSTON | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 310 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 312 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 313 | MILTON | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 617 | 314 | BOSTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 315 | SO BOSTON | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 316 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 317 | QUINCY | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 617 | 318 | ROXBURY | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 319 | BRIGHTON | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 320 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 321 | WATERTOWN | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 617 | 322 | MILTON | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 617 | 323 | JAMAICA PL | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 324 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 325 | JAMAICA PL | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 326 | DORCHESTER | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 327 | JAMAICA PL | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 328 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 329 | WINTHROP | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 330 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 331 | BOSTON | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 332 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 333 | HYDE PARK | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 334 | SO BOSTON | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 335 | CAMBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 336 | CHELSEA | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 617 | 337 | CHARLESTN | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 338 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 339 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 340 | NEWTON | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 341 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 342 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 343 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 344 | JAMAICA PL | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 345 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 346 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 347 | QUINCY | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 348 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 349 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 350 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 351 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 352 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 353 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 354 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 355 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 356 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 357 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 358 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 359 | CAMBRIDGE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 360 | HYDE PARK | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 361 | HYDE PARK | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 362 | HYDE PARK | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 363 | JAMAICA PL | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 364 | HYDE PARK | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 365 | DEDHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 366 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 367 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 368 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 369 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 370 | CHELSEA | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 371 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 372 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 373 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 374 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 375 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 376 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 377 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 378 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 379 | DORCHESTER | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 380 | CHARLESTN | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 381 | EVERETT | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 382 | EVERETT | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 383 | BROOKLINE | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 384 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 385 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 386 | CAMBRIDGE | AT&T LOCAL | Prefix |
| 617 | 387 | EVERETT | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 388 | CAMBRIDGE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 389 | EVERETT | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 390 | JAMAICA PL | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 391 | BOSTON | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 392 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 393 | WATERTOWN | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 394 | EVERETT | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 395 | CAMBRIDGE | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 396 | BROOKLINE | TC SYSTEMS, INC. | Prefix |
| 617 | 397 | CAMBRIDGE | AT&T LOCAL | Prefix |
| 617 | 398 | CHARLESTN | AT&T LOCAL | Prefix |
| 617 | 399 | BOSTON | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 617 | 400 | ROXBURY | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 617 | 401 | CAMBRIDGE | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 402 | WATERTOWN | LOCAL ACCESS LLC - MA | Prefix |
| 617 | 403 | BRIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 404 | QUINCY | ONVOY, LLC - MA | Prefix |
| 617 | 405 | QUINCY | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 406 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 407 | BOSTON | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 408 | HYDE PARK | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 409 | CHELSEA | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 410 | EVERETT | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 412 | BOSTON | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 413 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 414 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 415 | BRIGHTON | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 416 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 417 | CAMBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 418 | EASTBOSTON | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 419 | BOSTON | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 420 | EVERETT | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 421 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 422 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 423 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 424 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 425 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 426 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 427 | ROXBURY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 428 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 429 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 430 | CAMBRIDGE | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 431 | NEWTON | TC SYSTEMS, INC. | Prefix |
| 617 | 432 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 433 | MILTON | TC SYSTEMS, INC. | Prefix |
| 617 | 434 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 435 | JAMAICA PL | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 436 | DORCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 437 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 438 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 439 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 440 | SOMERVILLE | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 441 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 442 | ROXBURY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 443 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 444 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 445 | ROXBURY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 446 | DORCHESTER | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 617 | 447 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 448 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 449 | BOSTON | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 450 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 451 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 452 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 453 | CAMBRIDGE | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 454 | NEWTON | TC SYSTEMS, INC. | Prefix |
| 617 | 455 | EASTBOSTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 456 | BOSTON | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 617 | 457 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 458 | WATERTOWN | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 459 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 460 | CAMBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 461 | CHELSEA | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 462 | DEDHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 463 | SO BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 464 | SO BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 465 | CAMBRIDGE | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 466 | CHELSEA | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 617 | 467 | NEWTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 468 | CAMBRIDGE | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 469 | JAMAICA PL | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 470 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 471 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 472 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 473 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 474 | DORCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 475 | CAMBRIDGE | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 476 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 477 | JAMAICA PL | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 478 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 479 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 480 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 481 | QUINCY | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 617 | 482 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 483 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 484 | BELMONT | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 485 | NEWTON | AT&T LOCAL | Prefix |
| 617 | 486 | BELMONT | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 487 | BROOKLINE | TC SYSTEMS, INC. | Prefix |
| 617 | 488 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 489 | BELMONT | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 490 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 491 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 492 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 493 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 494 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 495 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 496 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 497 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 498 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 499 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 500 | CAMBRIDGE | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 501 | SOMERVILLE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 502 | BOSTON | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 617 | 503 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 504 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 505 | BROOKLINE | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 506 | DORCHESTER | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 507 | BOSTON | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 509 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 510 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 512 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 513 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 514 | DORCHESTER | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 515 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 516 | ROXBURY | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 517 | BOSTON | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 518 | BOSTON | NEXTWAVE TELECOM, INC DBA NEXTWAVE WIRELESS | Prefix |
| 617 | 519 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 520 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 521 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 522 | JAMAICA PL | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 523 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 524 | JAMAICA PL | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 525 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 526 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 527 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 528 | CAMBRIDGE | TC SYSTEMS, INC. | Prefix |
| 617 | 529 | SAUGUS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 530 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 531 | BOSTON | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 532 | BOSTON | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 617 | 533 | DORCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 534 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 535 | BOSTON | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 536 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 537 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 538 | WALTHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 539 | WINTHROP | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 540 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 541 | ROXBURY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 542 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 543 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 544 | EVERETT | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 545 | EVERETT | AT&T LOCAL | Prefix |
| 617 | 546 | NEWTON | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 547 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 548 | SAUGUS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 549 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 551 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 552 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 553 | JAMAICA PL | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 556 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 557 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 558 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 559 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 560 | BRIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 561 | EASTBOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 562 | BRIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 563 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 564 | NEWTON | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 617 | 565 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 566 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 567 | EASTBOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 568 | EASTBOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 569 | EASTBOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 570 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 571 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 572 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 573 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 574 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 575 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 576 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 577 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 578 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 579 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 580 | CHARLESTN | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 581 | NEWTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 582 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 583 | CAMBRIDGE | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 584 | NEWTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 585 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 586 | BRIGHTON | LOCAL ACCESS LLC - MA | Prefix |
| 617 | 587 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 588 | CAMBRIDGE | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 589 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 590 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 591 | SOMERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 592 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 593 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 594 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 595 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 596 | SO BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 597 | NEWTON | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 617 | 598 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 599 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 600 | WATERTOWN | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 601 | EVERETT | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 617 | 602 | ROXBURY | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 603 | BOSTON | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 604 | HYDE PARK | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 605 | MALDEN | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 606 | ROXBURY | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 607 | WATERTOWN | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 608 | BROOKLINE | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 617 | 609 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 610 | NEWTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 612 | WATERTOWN | TC SYSTEMS, INC. | Prefix |
| 617 | 613 | CAMBRIDGE | TC SYSTEMS, INC. | Prefix |
| 617 | 614 | NEWTON | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 615 | MILTON | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 616 | SOMERVILLE | TC SYSTEMS, INC. | Prefix |
| 617 | 618 | NEWTON | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 619 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 620 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 621 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 622 | SO BOSTON | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 623 | SOMERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 624 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 625 | SOMERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 626 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 627 | SOMERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 628 | SOMERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 629 | SOMERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 630 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 631 | NEWTON | AT&T LOCAL | Prefix |
| 617 | 632 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 633 | WALTHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 634 | EASTBOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 635 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 636 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 637 | JAMAICA PL | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 638 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 639 | QUINCY | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 640 | DEDHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 641 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 642 | CAMBRIDGE | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 643 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 644 | NEWTON | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 645 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 646 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 647 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 648 | BOSTON | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 649 | CAMBRIDGE | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 617 | 650 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 651 | BROOKLINE | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 617 | 652 | ROXBURY | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 653 | QUINCY | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 654 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 655 | BOSTON | ONVOY, LLC - MA | Prefix |
| 617 | 656 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 657 | QUINCY | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 658 | NEWTON | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 617 | 659 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 660 | CHELSEA | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 661 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 662 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 663 | NEWTON | TC SYSTEMS, INC. | Prefix |
| 617 | 664 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 665 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 666 | SOMERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 667 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 668 | WATERTOWN | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 617 | 669 | CHARLESTN | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 670 | BOSTON | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 671 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 672 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 673 | WATERTOWN | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 674 | CAMBRIDGE | DSCI, LLC | Prefix |
| 617 | 675 | HYDE PARK | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 676 | JAMAICA PL | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 677 | BROOKLINE | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 617 | 678 | NEWTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 679 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 680 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 681 | CHARLESTN | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 682 | CAMBRIDGE | YMAX COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 683 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 684 | SOMERVILLE | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 617 | 685 | CAMBRIDGE | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 686 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 687 | QUINCY | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 688 | KINGSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 689 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 690 | MILTON | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 691 | QUINCY | TC SYSTEMS, INC. | Prefix |
| 617 | 692 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 693 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 694 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 695 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 696 | MILTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 697 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 698 | MILTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 699 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 701 | SO BOSTON | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 702 | SOMERVILLE | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 703 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 704 | DORCHESTER | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 705 | HYDE PARK | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 706 | QUINCY | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 707 | DORCHESTER | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 617 | 708 | ROXBURY | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 710 | CAMBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 712 | CHARLESTN | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 713 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 714 | CAMBRIDGE | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 715 | CAMBRIDGE | PAETEC COMMUNICATIONS, INC.- MA | Prefix |
| 617 | 716 | EASTBOSTON | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 717 | BOSTON | AT&T LOCAL | Prefix |
| 617 | 718 | SOMERVILLE | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 719 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 720 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 721 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 722 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 723 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 724 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 725 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 726 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 727 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 728 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 729 | QUINCY | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 730 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 731 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 732 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 733 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 734 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 735 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 737 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 738 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 739 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 740 | DORCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 741 | SOMERVILLE | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 742 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 743 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 744 | WATERTOWN | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 617 | 745 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 746 | BRIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 747 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 748 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 749 | ROXBURY | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 750 | QUINCY | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 751 | BROOKLINE | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 752 | SO BOSTON | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 753 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 754 | BROOKLINE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 755 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 756 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 757 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 758 | CAMBRIDGE | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 617 | 759 | DEDHAM | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 760 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 761 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 762 | NEWTON | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 763 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 764 | SOMERVILLE | COMCAST PHONE OF MASSACHUSETTS, INC. - MA | Prefix |
| 617 | 765 | SO BOSTON | LEVEL 3 COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 766 | SO BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 767 | SOMERVILLE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 768 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 769 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 770 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 771 | MALDEN | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 772 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 773 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 774 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 775 | NEWTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 776 | SOMERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 777 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 778 | BOSTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 779 | BRIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 780 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 782 | BRIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 783 | BRIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 784 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 785 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 786 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 787 | BRIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 788 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 789 | BRIGHTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 790 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 791 | SAUGUS | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 792 | ROXBURY | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 793 | QUINCY | TC SYSTEMS, INC. | Prefix |
| 617 | 794 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 795 | NEWTON | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 796 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 797 | SAUGUS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 798 | CAMBRIDGE | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 799 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 800 | CAMBRIDGE | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 801 | QUINCY | BROADVIEW NETWORKS, INC. - MA | Prefix |
| 617 | 802 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 803 | CAMBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 804 | QUINCY | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 806 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 807 | BOSTON | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 812 | CAMBRIDGE | ONVOY, LLC - MA | Prefix |
| 617 | 816 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 817 | BRIGHTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 818 | BOSTON | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 819 | CHELSEA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 820 | BOSTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 821 | CAMBRIDGE | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 822 | DORCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 823 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 824 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 825 | DORCHESTER | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 826 | BELMONT | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 827 | WEYMOUTH | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 828 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 829 | QUINCY | LOCAL ACCESS LLC - MA | Prefix |
| 617 | 830 | BOSTON | DSCI, LLC | Prefix |
| 617 | 831 | NEWTON | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 832 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 833 | HYDE PARK | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 834 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 835 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 836 | CAMBRIDGE | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 617 | 837 | QUINCY | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 838 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 839 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 840 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 841 | WINTHROP | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 842 | QUINCY | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 843 | EVERETT | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
| 617 | 844 | CAMBRIDGE | CTC COMMUNICATIONS CORP. - MA | Prefix |
| 617 | 845 | QUINCY | ALLEGIANCE TELECOM, INC. - MA | Prefix |
| 617 | 846 | WINTHROP | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 847 | QUINCY | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 848 | BOSTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 849 | BOSTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 850 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 851 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 852 | CAMBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 853 | NEWTON | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 617 | 854 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 855 | BELMONT | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 856 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 858 | ROXBURY | OMNIPOINT MIAMI E LICENSE, LLC | Prefix |
| 617 | 859 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 860 | BROOKLINE | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 861 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 862 | NEWTON | LOCAL ACCESS LLC - MA | Prefix |
| 617 | 863 | SOMERVILLE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 864 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 865 | BOSTON | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 866 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 867 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 868 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 869 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 870 | BRIGHTON | BROADWING COMMUNICATIONS, LLC - MA | Prefix |
| 617 | 871 | CAMBRIDGE | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | Prefix |
| 617 | 872 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 873 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 874 | EASTBOSTON | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 617 | 875 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 876 | CAMBRIDGE | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 877 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 878 | BOSTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 879 | BROOKLINE | RCN TELECOM SERVICES, INC. - MA | Prefix |
| 617 | 880 | BOSTON | TC SYSTEMS, INC. | Prefix |
| 617 | 881 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 882 | NEWTON | BANDWIDTH.COM CLEC, LLC - MA | Prefix |
| 617 | 883 | BELMONT | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 884 | CHELSEA | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 885 | NEWTON | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 886 | CHARLESTN | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 887 | CHELSEA | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 888 | BOSTON | SPRINT SPECTRUM L.P. | Prefix |
| 617 | 889 | CHELSEA | VERIZON NEW ENGLAND INC. | Prefix |
| 617 | 890 | QUINCY | XO MASSACHUSETTS, INC. | Prefix |
| 617 | 891 | BRIGHTON | NORFOLK COUNTY INTERNET, INC. | Prefix |
| 617 | 892 | BOSTON | MCI WORLDCOM COMMUNICATIONS, INC. - MA | Prefix |
| 617 | 893 | NEWTON | NEW CINGULAR WIRELESS PCS, LLC - DC | Prefix |
| 617 | 894 | BOSTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | Prefix |
| 617 | 895 | EASTBOSTON | GLOBAL CROSSING LOCAL SERVICES, INC.-MA | Prefix |
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