SEBASTOPOL — CA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| PACIFIC BELL | 9740 | 4 |
| ONVOY, LLC - CA | 649C | 2 |
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | 1 |
| SONIC TELECOM, LLC - CA | 433E | 1 |
| ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7174 | 1 |