HIGHLAND — CA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | 7 |
| PACIFIC BELL | 9740 | 5 |
| T-MOBILE USA, INC. | 6529 | 3 |
| BANDWIDTH.COM CLEC, LLC - CA | 981E | 3 |
| IP HORIZON LLC | 515J | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | 7 |
| PACIFIC BELL | 9740 | 5 |
| T-MOBILE USA, INC. | 6529 | 3 |
| BANDWIDTH.COM CLEC, LLC - CA | 981E | 3 |
| IP HORIZON LLC | 515J | 1 |