FTDEFIANCE — AZ
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM | 4449 | 1 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM | 4449 | 1 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 1 |