| District of Michigan area codes: 989 | |
|---|---|
| Country | United States |
| State/Province | Michigan |
| Major City | Saginaw |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 989-949 | Montcalm | Edmore, MI | Telnet Worldwide |
| 989-953 | Isabella | Mount Pleasant, MI | Winn Telephone Company DBA Winn Telecom |
| 989-954 | Isabella | Mount Pleasant, MI | New Cingular Wireless PCS - IL |
| 989-956 | Isabella | Mount Pleasant, MI | Telnet Worldwide |
| 989-962 | Sanilac | Minden City, MI | Telnet Worldwide |
| 989-963 | Huron | Elkton, MI | New Cingular Wireless PCS - IL |
| 989-964 | Saginaw | Saginaw, MI | Ameritech Michigan |
| 989-965 | Bay | Bay City, MI | Cellco Partnership DBA Verizon Wireless |
| 989-966 | Otsego | Vanderbilt, MI | Level 3 Communications |
| 989-967 | Mecosta | Remus, MI | Frontier North |
| 989-968 | Gratiot | Alma, MI | Winn Telephone Company DBA Winn Telecom |
| 989-971 | Saginaw | Saginaw, MI | New Cingular Wireless PCS - IL |
| 989-975 | Huron | Bad Axe, MI | New Cingular Wireless PCS - IL |
| 989-977 | Huron | Sebewaing, MI | New Cingular Wireless PCS - IL |
| 989-979 | Clinton | Saint Johns, MI | American Messaging (am) |
| 989-980 | Saginaw | Saginaw, MI | New Cingular Wireless PCS - IL |
| 989-981 | Ionia | Hubbardston, MI | Frontier North |
| 989-983 | Otsego | Vanderbilt, MI | Frontier North |
| 989-984 | Iosco | East Tawas, MI | Ameritech Michigan |
| 989-992 | Saginaw | Saginaw, MI | Sprint Spectrum L.p. |
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.