EARP — CA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CSC VOICE, LLC | 612K | 1 |
| FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA | 863F | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CSC VOICE, LLC | 612K | 1 |
| FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA | 863F | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | 1 |