| District of Michigan area codes: 517 | |
|---|---|
| Country | United States |
| State/Province | Michigan |
| Major City | Lansing |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 517-395 | Jackson | Jackson, MI | Cellco Partnership DBA Verizon Wireless |
| 517-398 | Hillsdale | Hillsdale, MI | New Cingular Wireless PCS - IL |
| 517-401 | Lenawee | Morenci, MI | New Cingular Wireless PCS - IL |
| 517-402 | Ingham | Lansing, MI | Omnipoint Communications Midwest Operations LLC |
| 517-403 | Lenawee | Adrian, MI | Sprint Spectrum L.p. |
| 517-404 | Livingston | Howell, MI | Sprint Spectrum L.p. |
| 517-406 | Calhoun | Albion, MI | American Messaging (am) |
| 517-407 | Hillsdale | Jonesville, MI | American Messaging (am) |
| 517-408 | Eaton | Dimondale, MI | Comcast Phone Of Michigan |
| 517-409 | Lenawee | Blissfield, MI | New Cingular Wireless PCS - IL |
| 517-410 | Ingham | Lansing, MI | Sprint Spectrum L.p. |
| 517-412 | Ingham | Lansing, MI | Teleport Communications America |
| 517-414 | Jackson | Jackson, MI | Sprint Spectrum L.p. |
| 517-416 | Jackson | Jackson, MI | Cellco Partnership DBA Verizon Wireless |
| 517-417 | Lenawee | Adrian, MI | Tc3 Telecom |
| 517-418 | Calhoun | Homer, MI | New Cingular Wireless PCS - IL |
| 517-420 | Ingham | Lansing, MI | Cellco Partnership DBA Verizon Wireless |
| 517-423 | Lenawee | Tecumseh, MI | Frontier North |
| 517-424 | Lenawee | Tecumseh, MI | Frontier North |
| 517-425 | Jackson | Jackson, MI | Cellco Partnership DBA Verizon Wireless |
There are 533 prefixes, In the code area, the major cities are Adrian, MI;Clinton, MI;East Lansing, MI;Jackson, M. The major city is Lansing.