WSHNGTNZN1 — DC
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON WASHINGTON DC, INC. | 9211 | 329 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC | 6402 | 92 |
| OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | 59 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 58 |
| ONVOY, LLC - DC | 850D | 46 |