IONE — CA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BANDWIDTH.COM CLEC, LLC - CA | 981E | 2 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 1 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7128 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | 1 |
| PACIFIC BELL | 9740 | 1 |