| 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 |
|---|---|---|---|
| 517-200 | Hillsdale | Litchfield, MI | New Cingular Wireless PCS - IL |
| 517-202 | Ingham | Lansing, MI | Sprint Spectrum L.p. |
| 517-203 | Ingham | Lansing, MI | Ameritech Michigan |
| 517-204 | Ingham | Lansing, MI | Sprint Spectrum L.p. |
| 517-205 | Jackson | Jackson, MI | Ameritech Michigan |
| 517-206 | Jackson | Jackson, MI | Sprint Spectrum L.p. |
| 517-207 | Lenawee | Adrian, MI | Telnet Worldwide |
| 517-208 | Lenawee | Britton, MI | Centurylink Communications LLC |
| 517-209 | Ingham | Lansing, MI | Bandwidth.com Clec |
| 517-212 | Hillsdale | Hillsdale, MI | Cellco Partnership DBA Verizon Wireless |
| 517-213 | Eaton | Charlotte, MI | Level 3 Communications |
| 517-214 | Ingham | Lansing, MI | Sprint Spectrum L.p. |
| 517-215 | Lenawee | Adrian, MI | Sprint Spectrum L.p. |
| 517-217 | Lenawee | Clinton, MI | Tc3 Telecom |
| 517-218 | Ingham | Lansing, MI | Usa Mobility Wireless |
| 517-219 | Livingston | Fowlerville, MI | Level 3 Communications |
| 517-222 | Ingham | Dansville, MI | Brooks Fiber Communications Of Michigan |
| 517-223 | Livingston | Fowlerville, MI | Ameritech Michigan |
| 517-224 | Eaton | Potterville, MI | Level 3 Communications |
| 517-226 | Ingham | Lansing, MI | American Messaging (am) |
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.