ECONTRCOST — CA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| PACIFIC BELL | 9740 | 7 |
| TON80 COMMUNICATIONS, LLC | 516J | 2 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 2 |
| ONVOY, LLC - CA | 649C | 2 |
| SONIC TELECOM, LLC - CA | 433E | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| PACIFIC BELL | 9740 | 7 |
| TON80 COMMUNICATIONS, LLC | 516J | 2 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 2 |
| ONVOY, LLC - CA | 649C | 2 |
| SONIC TELECOM, LLC - CA | 433E | 1 |