BULLHDCYN — AZ
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CITIZENS UTILITIES RURAL DBA FRONTIER UT RURAL | 2172 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| CSC VOICE, LLC | 612K | 1 |
| FRACTEL, LLC | 965H | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CITIZENS UTILITIES RURAL DBA FRONTIER UT RURAL | 2172 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| CSC VOICE, LLC | 612K | 1 |
| FRACTEL, LLC | 965H | 1 |