TOMALES — CA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | 1 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 1 |
| PACIFIC BELL | 9740 | 1 |