GREYBULL — WY
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] | 009E | 1 |
| TRI-COUNTY TEL. ASSN., INC. | 2296 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] | 009E | 1 |
| TRI-COUNTY TEL. ASSN., INC. | 2296 | 1 |