WHATCOMCTY — WA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 4423 | 16 |
| QWEST CORPORATION | 9638 | 15 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 7146 | 9 |
| T-MOBILE USA, INC. | 6529 | 8 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | 7 |