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LEVEL 3 TELECOM OF MARYLAND, LLC - MD
Operating Company Number (OCN): 7591
Is this carrier legit?
Carriers are telecom operating companies that own number blocks (NPA-NXX). A number showing this carrier does not guarantee the caller is that company — scam calls can spoof caller ID.
Ad Unit
Optional ad placement.Number blocks (sample)
| State | NPA | NXX | Rate center | Open |
|---|---|---|---|---|
| MD | 240 | 612 | WSHNGTNZN5 | Prefix |
| MD | 240 | 857 | WSHNGTNZN5 | Prefix |
| MD | 240 | 863 | WSHNGTNZN3 | Prefix |
| MD | 301 | 323 | LAUREL236 | Prefix |
| MD | 301 | 361 | WSHNGTNZN4 | Prefix |
| MD | 301 | 389 | WSNG236Z13 | Prefix |
| MD | 301 | 756 | WSNG236Z14 | Prefix |
| MD | 301 | 981 | WSHNGTNZN5 | Prefix |
| MD | 410 | 369 | BALTIMORE | Prefix |
| MD | 410 | 565 | ARBUTUS | Prefix |
| MD | 410 | 589 | BRYNPKLNCM | Prefix |
| MD | 410 | 595 | GLENBURNIE | Prefix |
| MD | 410 | 680 | ELLICOTTCY | Prefix |
| MD | 410 | 717 | ELKRIDGE | Prefix |
| MD | 410 | 794 | COLUMBIA | Prefix |
| MD | 410 | 807 | CATONSVL | Prefix |
| MD | 410 | 824 | WATERLO236 | Prefix |
| MD | 410 | 921 | SEVERN | Prefix |
| MD | 410 | 927 | ODENTON | Prefix |
| MD | 443 | 290 | PARKVILLE | Prefix |
| MD | 443 | 657 | RANDALLSTN | Prefix |
| MD | 443 | 708 | BALTIMORE | Prefix |
| MD | 443 | 798 | TOWSON | Prefix |
| MD | 443 | 870 | PIKESVILLE | Prefix |
Showing up to 2,000 blocks (cap for performance).
SEO keywords covered
carrier lookup • operating company number • ocn lookup • who owns this number • npa nxx • rate center
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