YAMPA — CO
Data last updated: October 30, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - CO | 026D | 1 |
| PEERLESS NETWORK OF COLORADO, LLC - CO | 278F | 1 |
| QWEST CORPORATION | 9636 | 1 |
Data last updated: October 30, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - CO | 026D | 1 |
| PEERLESS NETWORK OF COLORADO, LLC - CO | 278F | 1 |
| QWEST CORPORATION | 9636 | 1 |