AU GRES — MI
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 2 |
| BRIGHTSPEED OF CENTRAL MICHIGAN, INC | 0671 | 1 |
| TELNET WORLDWIDE, INC. | 817J | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 2 |
| BRIGHTSPEED OF CENTRAL MICHIGAN, INC | 0671 | 1 |
| TELNET WORLDWIDE, INC. | 817J | 1 |