| District of Michigan area codes: 989 | |
|---|---|
| Country | United States |
| State/Province | Michigan |
| Major City | Saginaw |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 989-339 | Clare | Farwell, MI | Cellco Partnership DBA Verizon Wireless |
| 989-340 | Alpena | Alpena, MI | Charter Fiberlink - Michigan |
| 989-341 | Saginaw | Saginaw, MI | Teleport Communications America |
| 989-342 | Oscoda | Lewiston, MI | Charter Fiberlink - Michigan |
| 989-343 | Ogemaw | West Branch, MI | Ameritech Michigan |
| 989-344 | Crawford | Grayling, MI | Frontier North |
| 989-345 | Ogemaw | West Branch, MI | Ameritech Michigan |
| 989-347 | Gladwin | Gladwin, MI | Telnet Worldwide |
| 989-348 | Crawford | Grayling, MI | Frontier North |
| 989-349 | Saginaw | Birch Run, MI | Cmc Telecom |
| 989-350 | Otsego | Gaylord, MI | New Cingular Wireless PCS - IL |
| 989-351 | Presque Isle | Rogers City, MI | New Cingular Wireless PCS - IL |
| 989-352 | Montcalm | Lakeview, MI | Frontier North |
| 989-354 | Alpena | Alpena, MI | Frontier North |
| 989-355 | Saginaw | Saginaw, MI | Onvoy |
| 989-356 | Alpena | Alpena, MI | Frontier North |
| 989-358 | Alpena | Alpena, MI | Frontier North |
| 989-359 | Gladwin | Gladwin, MI | Sprint Spectrum L.p. |
| 989-362 | Iosco | East Tawas, MI | Ameritech Michigan |
| 989-365 | Montcalm | Six Lakes, MI | Frontier North |
There are 622 prefixes, In the code area, the major cities are Bay City, MI;Harrison, MI;Midland, MI;Mount Pleasa. The major city is Saginaw.