MICHIGAN · STATE GUIDE
Michigan area codes: Detroit, Grand Rapids, Warren, and Ann Arbor
- Local date and time
- Eastern TimeCentral Time
Map data: UCLA Geoportal (2015) · NANPA · Statistics Canada (Open Government Licence – Canada) · US Census Bureau, checked 26 September 2026. Boundaries are approximate.
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Download the Michigan area code map
Michigan area codes at a glance
- Area codes
- 12
Rules for answering calls in Michigan
General information with its sources, not legal advice. All sources checked 2 November 2026. An area code does not show where a caller is.
Recording calls
Michigan law makes it a felony to willfully use a device to overhear or record the private conversation of others without the permission of all participants, with exceptions set out in the law.
Source: MCL 750.539c; MCL 750.539a(2)
Under Michigan's eavesdropping law, parties to a conversation that is eavesdropped on contrary to it may obtain an injunction, all actual damages, and punitive damages.
Source: MCL 750.539h(a)-(c)
History
- 1947 · First area codesMichigan started with 517 and 616.
- 1947–2002 · SplitsEight codes split from existing ones.
- 2002 · OverlaysOne overlay code added, so existing numbers kept their codes.
Area codes by region
| Region | Key cities | Cities | Area codes |
|---|---|---|---|
| Detroit-Warren-Dearborn, MI | Detroit, Warren, Livonia | 54 | 248, 313, 517, 586, 734, 810, 947, and 989 |
| Grand Rapids-Wyoming-Kentwood, MI | Grand Rapids, Holland, Ionia | 32 | 231, 269, 517, 616, and 989 |
| Lansing-East Lansing, MI | Lansing, Charlotte, Mason | 22 | 269, 517, and 989 |
| Ann Arbor, MI | Ann Arbor, Ypsilanti, Saline | 7 | 734 |
| Flint, MI | Flint, Fenton, Flushing | 11 | 810 and 989 |
| Kalamazoo-Portage, MI | Kalamazoo, Vicksburg, Galesburg | 7 | 269 |
| Battle Creek, MI | Battle Creek, Albion, Marshall | 7 | 269 and 517 |
| Saginaw, MI | Saginaw, Frankenmuth, Chesaning | 6 | 989 |
| Midland, MI | Midland, Coleman, Sanford | 3 | 989 |
| Niles, MI | Niles, Benton Harbor, Saint Joseph | 13 | 269 |
| Muskegon-Norton Shores, MI | Muskegon, Whitehall, Ravenna | 5 | 231 and 616 |
| Adrian, MI | Adrian, Tecumseh, Blissfield | 11 | 517 |
| Jackson, MI | Jackson, Brooklyn, Grass Lake | 7 | 517 |
| Bay City, MI | Bay City, Auburn, Pinconning | 3 | 989 |
| Marquette, MI | Marquette, Ishpeming, Negaunee | 3 | 906 |
| Monroe, MI | Monroe, Dundee, Carleton | 5 | 734 |
| Sturgis, MI | Sturgis, Three Rivers, Constantine | 8 | 269 |
| Owosso, MI | Owosso, Durand, Perry | 8 | 517, 810, and 989 |
| Traverse City, MI | Traverse City, Kalkaska, Kingsley | 10 | 231 |
| Mount Pleasant, MI | Mount Pleasant, Shepherd, Rosebush | 3 | 989 |
| Alma, MI | Alma, Saint Louis, Ithaca | 5 | 989 |
| Holland, MI | Allegan, Wayland, Otsego | 8 | 269 |
| Coldwater, MI | Coldwater, Bronson, Union City | 4 | 517 |
| Escanaba, MI | Escanaba, Gladstone, Garden | 3 | 906 |
| Cadillac, MI | Cadillac, Manton, Lake City | 7 | 231 |
| Hillsdale, MI | Hillsdale, Jonesville, Litchfield | 9 | 517 |
| Sault Ste. Marie, MI | Sault Ste. Marie | 1 | 906 |
| Houghton, MI | Houghton, Lake Linden, Calumet | 3 | 906 |
| Iron Mountain, MI-WI | Iron Mountain, Norway | 2 | 906 |
| Big Rapids, MI | Big Rapids, Morley, Mecosta | 5 | 231 and 989 |
| South Bend-Mishawaka, IN-MI | Dowagiac, Cassopolis, Edwardsburg | 5 | 269 |
| Alpena, MI | Alpena | 1 | 989 |
| Marinette, WI-MI | Menominee, Stephenson, Powers | 4 | 906 |
| Petoskey, MI | Petoskey, Harbor Springs, Mackinaw City | 5 | 231 |
| Ludington, MI | Ludington, Scottville, Fountain | 3 | 231 |
| Rest of Michigan | Manistee, Ironwood, Cheboygan | 111 | 231, 269, 810, 906, and 989 |
Other Michigan area codes
| Area code | Main communities | In service since | How it began |
|---|---|---|---|
| 517 | Lansing, Jackson, Adrian, and 75 more | 1 January 1947 | Started service |
| 616 | Grand Rapids, Holland, Ada, and 33 more | 1 January 1947 | Started service |
| 906 | Marquette, Sault Ste. Marie, Escanaba, and 90 more | 19 March 1961 | Started service |
| 810 | Flint, Port Huron, Fenton, and 44 more | 1 December 1993 | Split from 313 |
| 231 | Muskegon, Traverse City, Cadillac, and 96 more | 5 June 1999 | Split from 616 |
| 989 | Saginaw, Midland, Bay City, and 132 more | 7 April 2001 | Split from 517 |
| 586 | Warren, Roseville, Mount Clemens, and 8 more | 22 September 2001 | Split from 810 |
| 269 | Kalamazoo, Battle Creek, Niles, and 73 more | 13 July 2002 | Split from 616 |
Time zones
Sources: area codes and in-service dates, the North American Numbering Plan Administrator.
Business phone numbers in Michigan, answered by an AI agent
A local number for Michigan, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.