Area code 231

231 is an area code in these Michigan areas:

Acme Afton Alanson Alba Alden Arcadia Bailey Baldwin Bay Harbor Bay Shore Bay View Bear Lake Beaver Island Bellaire Benzonia Beulah Big Rapids Bitely Bois Blanc Island Boon Boyne City Boyne Falls Branch Brethren Brohman Brunswick Brutus Buckley Burr Oak Burt Lake Cadillac Canadian Lakes Carp Lake Cedar Central Lake Charlevoix Chase Cheboygan Chippewa Lake Conway Copemish Coral Cross Village Croton Custer East Jordan Eastlake Eastport Elberta Elk Rapids Ellsworth Elmira Empire Evart Falmouth Fife Lake Filer City Fountain Frankfort Free Soil Fremont Fruitport Gerber Products Inc Glen Arbor Good Hart Grant Grawn Harbor Point Harbor Springs Harrietta Hart Hersey Hesperia Holton Honor Howard City Hoxeyville Idlewild Indian River Interlochen Irons Kaleva Kalkaska Karlin

Kewadin Kingsley Lake Ann Lake City Lake Leelanau Lakewood Club Le Roy Leland Leroy Levering Ludington Luther Mackinac City Mackinaw City Mancelona Manistee Manton Maple City Marion Mayfield Mc Bain Mears Mecosta Merritt Mesick Meskegon Montague Moorestown Morley Mullett Lake Muskegon Muskegon Heights New Era Newaygo North Manitou North Muskegon Northport Northport Point Norton Shores Oden Old Mission Omena Onekama Paris Peacock Pellston Pentwater Peshawbestown Petoskey Pierson Pointe Aux Pins Rapid City Ravenna Reed City Rodney Roosevelt Pk Rothbury Saint James Scottville Sears Shelby South Airport Branch South Boardman South Manitou Stanwood Stronach Suttons Bay Thompsonville Topinabee Traverse City Tustin Twin Lake Wabaningo Walhalla Walkerville Walloon Lake Wellston Wequetonsing White Cloud Whitehall Williamsburg Wolverine Woodland Woodland Park




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231 is a North American telephone area code in the U.S. state of Michigan. It was created in June 1999 as a split from area code 616. 231 is essentially the northern half of the old 616 area code. 616 previously covered the entire western half of the state of Michigan, extending west from the north-south line aligned with the Mackinac Bridge.

The new 231's southern boundary closely follows the county lines between Muskegon County and Ottawa County and Kent County and Montcalm County.

Among the Michigan cities it serves are Big Rapids, Cadillac, Grant, Kalkaska, Ludington, Muskegon, Petoskey, and Traverse City.

External links

• Planning letter 167, which details 231's creation (PDF)
• Map of Michigan area codes at North American Numbering Plan Administration's website
• List of exchanges from AreaCodeDownload.com, 231 Area Code

State of Michigan area codes: 231, 248, 269, 313, 517, 586, 616, 734, 810, 906, 947, 989
	North: 906
West: Lake Michigan	area code 231	East: 989
	South: 616

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