PORTLAND — OR
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| QWEST CORPORATION | 9638 | 152 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 71 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | 62 |
| T-MOBILE USA, INC. | 6529 | 60 |
| SPOK, INC. | 6630 | 22 |