MONTROSE — OH
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - OH | 0615 | 5 |
| T-MOBILE USA, INC. | 6529 | 2 |
| BANDWIDTH.COM CLEC, LLC - OH | 001F | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | 1 |
| METROPCS, INC. | 5562 | 1 |