BUTLER — OH
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - OH | 464C | 2 |
| BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - OH | 464C | 2 |
| BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |