CRESTEDBTE — CO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| QWEST CORPORATION | 9636 | 2 |
| PEERLESS NETWORK OF COLORADO, LLC - CO | 278F | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| QWEST CORPORATION | 9636 | 2 |
| PEERLESS NETWORK OF COLORADO, LLC - CO | 278F | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |