SUMNER — WA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| QWEST CORPORATION | 9638 | 4 |
| ONVOY, LLC - WA | 483E | 3 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | 2 |
| COMCAST IP PHONE, LLC | 318J | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| QWEST CORPORATION | 9638 | 4 |
| ONVOY, LLC - WA | 483E | 3 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - WA | 6121 | 2 |
| COMCAST IP PHONE, LLC | 318J | 1 |