WSHNGTNZN1 — DC
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON WASHINGTON DC, INC. | 9211 | 329 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC | 6402 | 91 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 58 |
| OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | 58 |
| METROPCS, INC. | 5562 | 45 |