ADRIAN — MI
Data last updated: August 31, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | 8 |
| FRONTIER NORTH, INC. - MI | 0695 | 5 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | 4 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 3 |
| TELNET WORLDWIDE, INC. | 817J | 2 |