HARRISON — MI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | 3 |
| WINN TELEPHONE COMPANY DBA WINN TELECOM - MI | 0127 | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | 1 |
| MICHIGAN BELL TEL CO | 9323 | 1 |