SIMIVALLEY — CA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| PACIFIC BELL | 9740 | 14 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | 6 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 4 |
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | 3 |
| ONVOY, LLC - CA | 649C | 3 |