DONKEN — MI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| UPPER PENINSULA TEL. CO. | 0732 | 1 |
| PENINSULA FIBER NETWORK, LLC - MI | 116F | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| UPPER PENINSULA TEL. CO. | 0732 | 1 |
| PENINSULA FIBER NETWORK, LLC - MI | 116F | 1 |