List of Michigan area codes
From Wikipedia, the free encyclopedia
The U.S. state of Michigan is divided into eleven numbering plan areas (NPAs) in the North American Numbering Plan (NANP), which are served by a total of thirteen area codes. Two NPAs are configured as an overlay complex.
| Area code | Year created | Parent NPA | Overlay | Numbering plan area |
|---|---|---|---|---|
| 313 | 1947 | – | 313/679 | Wayne County: Detroit, Dearborn, Redford Township, and the Grosse Pointes |
| 679 | 2025 | 313 | ||
| 734 | 1997 | 313 | – | Western and Downriver/Southeastern Michigan Metro Detroit: Ann Arbor, Monroe, Wayne, and Ypsilanti |
| 810 | 1993 | 313 | – | Southern Flint/Tri-Cities and The Thumb: Port Huron, Flint, Flushing, Otisville, Davison, Brighton, Sandusky, and Lapeer |
| 248 | 1997 | 810 | 248/947 | Northern Metro Detroit: All of Oakland County, Northville, and most of Northville Township |
| 947 | 2002 | 248 | ||
| 586 | 2001 | 810 | – | Northeastern Metro Detroit: All of Macomb County |
| 517 | 1947 | – | – | South Central Michigan: Lansing, East Lansing, Jackson, Charlotte, Coldwater, Howell, Hillsdale, and Adrian |
| 989 | 2001 | 517 | – | Northern, Flint/Tri-Cities and Northeastern Lower Michigan: Alpena, Oscoda, Tawas City, Mt. Pleasant, Bay City, Saginaw, Midland, Owosso, Gaylord, Bad Axe, Sebewaing, and Unionville |
| 616 | 1947 | – | – | Western Michigan: Grand Rapids, Holland, Greenville, Grand Haven, Zeeland, and Ionia |
| 906 | 1961 | 616 | – | Upper Peninsula: Marquette, Sault Ste. Marie, St. Ignace, Escanaba, Iron Mountain, Munising, and Mackinac Island |
| 231 | 1999 | 616 | – | Northwestern Lower Michigan: Traverse City, Ludington, Muskegon, Petoskey, Big Rapids and Cheboygan |
| 269 | 2002 | 616 | – | Southwestern Michigan: Battle Creek, Benton Harbor, Allegan, Hastings, Kalamazoo, and St Joseph |