COULEE DAM — WA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - WA | 483E | 1 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 1 |
| QWEST CORPORATION | 9638 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - WA | 483E | 1 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 1 |
| QWEST CORPORATION | 9638 | 1 |