SUNOL — CA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | 1 |
| ONVOY, LLC - CA | 649C | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7145 | 1 |