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Operating Company Number (OCN): 7944
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.
| State | NPA | NXX | Rate center | Open |
|---|---|---|---|---|
| MD | 410 | 809 | BEL AIR | Prefix |
| MD | 410 | 912 | SALISBURY | Prefix |
| MD | 410 | 914 | CHURCHVL | Prefix |
| MD | 443 | 209 | HAVREGRACE | Prefix |
| MD | 443 | 232 | WILLARDS | Prefix |
| MD | 443 | 233 | VIENNA | Prefix |
| MD | 443 | 234 | SNOW HILL | Prefix |
| MD | 443 | 245 | ELKTON | Prefix |
| MD | 443 | 318 | COCKEYSVL | Prefix |
| MD | 443 | 319 | COLUMBIA | Prefix |
| MD | 443 | 323 | SHARPTOWN | Prefix |
| MD | 443 | 374 | ABERDEEN | Prefix |
| MD | 443 | 664 | OCEAN CITY | Prefix |
| MD | 443 | 665 | NANTICOKE | Prefix |
| MD | 443 | 669 | DELMAR | Prefix |
| MD | 443 | 675 | RANDALLSTN | Prefix |
| MD | 443 | 685 | SEVERN | Prefix |
| MD | 443 | 706 | CRISFIELD | Prefix |
| MD | 443 | 715 | NORTH EAST | Prefix |
| MD | 443 | 724 | EASTON | Prefix |
| MD | 443 | 727 | BISHOPVL | Prefix |
| MD | 443 | 728 | BERLIN | Prefix |
| MD | 443 | 888 | PRINCEANNE | Prefix |
carrier lookup • operating company number • ocn lookup • who owns this number • npa nxx • rate center