| District of Michigan area codes: 989 | |
|---|---|
| Country | United States |
| State/Province | Michigan |
| Major City | Saginaw |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 989-415 | Bay | Bay City, MI | Cellco Partnership DBA Verizon Wireless |
| 989-416 | Bay | Auburn, MI | Telnet Worldwide |
| 989-418 | Clare | Clare, MI | Cellco Partnership DBA Verizon Wireless |
| 989-419 | Alpena | Alpena, MI | Telnet Worldwide |
| 989-421 | Clare | Clare, MI | Phone Michigan |
| 989-422 | Roscommon | Houghton Lake, MI | Frontier North |
| 989-423 | Midland | Midland, MI | Cellco Partnership DBA Verizon Wireless |
| 989-424 | Clare | Clare, MI | New Cingular Wireless PCS - IL |
| 989-426 | Gladwin | Gladwin, MI | Ameritech Michigan |
| 989-427 | Montcalm | Edmore, MI | Frontier North |
| 989-428 | Huron | Port Hope, MI | Centurytel Of Michigan Inc DBA Centurylink |
| 989-429 | Clare | Harrison, MI | Sprint Spectrum L.p. |
| 989-430 | Midland | Midland, MI | Cellco Partnership DBA Verizon Wireless |
| 989-432 | Tuscola | Vassar, MI | Telnet Worldwide |
| 989-433 | Isabella | Rosebush, MI | Ameritech Michigan |
| 989-434 | Huron | Bad Axe, MI | American Messaging (am) |
| 989-435 | Gladwin | Beaverton, MI | Ameritech Michigan |
| 989-436 | Gratiot | Ithaca, MI | New Cingular Wireless PCS - IL |
| 989-437 | Arenac | Standish, MI | Local Exchange Carriers Of Michigan |
| 989-438 | Huron | Caseville, MI | Telnet Worldwide |
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.