GREENFIELD — OH
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - OH | 0615 | 1 |
| HORIZON SERVICES, INC. - OH | 601G | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| TIER 2 COMMUNICATIONS, LLC | 8168 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - OH | 0615 | 1 |
| HORIZON SERVICES, INC. - OH | 601G | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| TIER 2 COMMUNICATIONS, LLC | 8168 | 1 |