CONEJO — CA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER CALIFORNIA INC. | 2319 | 5 |
| BANDWIDTH.COM CLEC, LLC - CA | 981E | 3 |
| PACIFIC BELL (COMPETITIVE) | 7480 | 1 |
| LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 7718 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | 1 |