DOUGLAS — AZ
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - AZ | 630E | 3 |
| QWEST CORPORATION | 9636 | 3 |
| IP HORIZON LLC | 515J | 1 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | 1 |