LA HABRA — CA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER CALIFORNIA INC. | 2319 | 9 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | 5 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | 4 |
| ONVOY, LLC - CA | 649C | 3 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 3 |