DUNDEE — MI
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| METROPCS, INC. | 5562 | 2 |
| TELNET WORLDWIDE, INC. | 817J | 2 |
| FRONTIER NORTH, INC. - MI | 0695 | 1 |
| DEERFIELD FARMERS' TELEPHONE COMPANY - MI | 558A | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |