CIBOLA — AZ
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ | 4419 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ | 4419 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |