OAKLAND — OR
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | 3 |
| LEVEL 3 COMMUNICATIONS, LLC - OR | 3234 | 1 |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 1 |
| QWEST CORPORATION | 9638 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | 3 |
| LEVEL 3 COMMUNICATIONS, LLC - OR | 3234 | 1 |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 1 |
| QWEST CORPORATION | 9638 | 1 |