GILLETTE — WY
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 5 |
| QWEST CORPORATION | 9636 | 5 |
| BANDWIDTH.COM CLEC, LLC - WY | 081F | 3 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY | 6566 | 3 |
| UNION TELEPHONE COMPANY | 013B | 2 |