CHEYENNE — WY
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| QWEST CORPORATION | 9636 | 14 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY | 6566 | 8 |
| ONVOY, LLC - WY | 450F | 5 |
| T-MOBILE USA, INC. | 6529 | 3 |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 3 |