ISSAQUAH — WA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| QWEST CORPORATION | 9638 | 8 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | 4 |
| T-MOBILE USA, INC. | 6529 | 4 |
| LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | 3 |
| ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7173 | 3 |