ALMA — MI
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - MI | 0695 | 5 |
| LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | 3 |
| WINN TELEPHONE COMPANY DBA WINN TELECOM - MI | 0127 | 1 |
| OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |