COALINGA — CA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - CA | 649C | 2 |
| PACIFIC BELL | 9740 | 2 |
| LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 7718 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | 1 |
| AMERICAN MESSAGING SERVICES, LLC | 9748 | 1 |