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Home / Area 510
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Ad Unit
Place a vertical ad here.| Prefix | City | Company | Line type | Open |
|---|---|---|---|---|
| 303 | Santa Clara | New Cingular Wireless Pcs Llc | Wireless | View |
| 304 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 305 | Santa Clara | New Cingular Wireless Pcs Llc | Wireless | View |
| 306 | Oakland | Sprint Spectrum L.p. | Wireless | View |
| 307 | Richmond | Pacific Bell | Landline | View |
| 308 | Livermore | Usa Mobility Wireless Inc. | Wireless | View |
| 310 | Livermore | Usa Mobility Wireless Inc. | Wireless | View |
| 312 | Oakland | Cook Telecom Inc. | Landline | View |
| 313 | San Francisco | Teleport Communications Group - San Francisco | Landline | View |
| 314 | Oakland | Sprint Spectrum L.p. | Wireless | View |
| 315 | San Francisco | Broadwing Communications Llc - Ca | Landline | View |
| 316 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 317 | San Leandro | Pacific Bell | Landline | View |
| 318 | Pleasanton | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 321 | Livermore | Usa Mobility Wireless Inc. | Wireless | View |
| 322 | San Francisco | Mcimetro Access Transmission Services Llc | Landline | View |
| 323 | Fremont | Xo California Inc. | Landline | View |
| 324 | Union City | Pacific Bell | Landline | View |
| 325 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 326 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 327 | Oakland | Pac - West Telecomm Inc. | Landline | View |
| 328 | Oakland | Sprint Spectrum L.p. | Wireless | View |
| 329 | Santa Clara | New Cingular Wireless Pcs Llc | Wireless | View |
| 331 | Santa Clara | New Cingular Wireless Pcs Llc | Wireless | View |
| 332 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 333 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 334 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 335 | San Francisco | Cf Communications Llc Dba Telekenex - Ca | Landline | View |
| 336 | Oakland | Pacific Bell | Landline | View |
| 337 | Alameda | Pacific Bell | Landline | View |
| 338 | Oakland | Pacific Bell | Landline | View |
| 339 | Oakland | Pacific Bell | Landline | View |
| 340 | Pleasanton | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 342 | San Jose | Mpower Communications Corp - Ca | Landline | View |
| 343 | San Francisco | Mpower Communications Corp - Ca | Landline | View |
| 344 | Oakland | Global Crossing Local Services Inc.-ca | Landline | View |
| 346 | San Leandro | Pacific Bell | Landline | View |
| 347 | San Leandro | Pacific Bell | Landline | View |
| 348 | Oakland | 33 Wireless Inc. | Wireless | View |
| 349 | Oakland | Cook Telecom Inc. | Landline | View |
| 350 | Oakland | Teleport Communications Group - San Francisco | Landline | View |
| 351 | San Leandro | Pacific Bell | Landline | View |
| 352 | San Leandro | Pacific Bell | Landline | View |
| 353 | Fremont | Pacific Bell | Landline | View |
| 354 | Fremont | Pacific Bell | Landline | View |
| 355 | Oakland | Global Crossing Local Services Inc.-ca | Landline | View |
| 356 | Berkeley | Pacific Bell | Landline | View |
| 357 | San Leandro | Pacific Bell | Landline | View |
| 358 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 359 | Oakland | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 360 | Fremont | Pacific Bell | Landline | View |
| 362 | Oakland | T-mobile Usa Inc. | Wireless | View |
| 363 | Pleasanton | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 364 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 366 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 367 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 368 | Pleasanton | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 370 | San Jose | Peerless Network Of California Llc - Ca | Landline | View |
| 371 | San Francisco | Level 3 Communications Llc - Ca | Landline | View |
| 372 | Oakland | Pac - West Telecomm Inc. | Landline | View |
| 373 | Oakland | Pac - West Telecomm Inc. | Landline | View |
| 374 | Richmond | Pacific Bell | Landline | View |
| 375 | Oakland | T-mobile Usa Inc. | Wireless | View |
| 376 | Dublin | Sprint Spectrum L.p. | Wireless | View |
| 377 | Dublin | Sprint Spectrum L.p. | Wireless | View |
| 378 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 379 | San Francisco | Tw Telecom Of California Lp - Ca | Landline | View |
| 380 | Oakland | Pac - West Telecomm Inc. | Landline | View |
| 381 | Pleasanton | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 382 | Oakland | Pacific Bell | Landline | View |
| 383 | Oakland | Pacific Bell | Landline | View |
| 384 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 385 | Dublin | Sprint Spectrum L.p. | Wireless | View |
| 386 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 387 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 388 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 389 | Oakland | American Messaging (am) Inc. | Landline | View |
| 390 | Pleasanton | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 391 | Oakland | American Messaging (am) Inc. | Landline | View |
| 392 | Oakland | American Messaging (am) Inc. | Landline | View |
| 393 | Oakland | Sprint Spectrum L.p. | Wireless | View |
| 394 | San Francisco | Teleport Communications Group - San Francisco | Landline | View |
| 395 | Oakland | Teleport Communications Group - San Francisco | Landline | View |
| 396 | Oakland | T-mobile Usa Inc. | Wireless | View |
| 397 | Hayward | Comcast Phone Of California Llc - Ca | Landline | View |
| 398 | San Francisco | Bandwidth.com Clec Llc - Ca | Landline | View |
| 400 | Fremont | Xo California Inc. | Landline | View |
| 401 | San Jose | Mpower Communications Corp - Ca | Landline | View |
| 402 | San Francisco | Mpower Communications Corp - Ca | Landline | View |
| 403 | San Jose | Mpower Networks Services Inc. - Ca | Landline | View |
| 404 | Hayward | Mci Worldcom Communications Inc. Ca | Landline | View |
| 405 | Oakland | Pac - West Telecomm Inc. | Landline | View |
| 406 | Pleasanton | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 407 | Pleasanton | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 408 | Hercules | Pacific Bell | Landline | View |
| 409 | San Francisco | New Cingular Wireless Pcs Llc | Wireless | View |
| 410 | Pleasanton | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 412 | Richmond | Pacific Bell | Landline | View |
| 413 | Fremont | Pacific Bell | Landline | View |
| 414 | Pleasanton | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
Page Overview
This page provides detailed information and helpful insights related to your search. All data is based on telecom assignment records and community user reports. Use the navigation above to explore related area codes, prefixes, and reported numbers.
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