Area Code (231)

Acme, Alanson, Alden, Allendale Township, Amble, Baldwin, Bear Lake, Bellaire, Beulah, Big Rapids, Bois Blanc Island, Boyne City, Boyne Falls, Brethren, Brutus, Buckley, Byron Twp, Cadillac, Carr, Cedar, Central Lake, Charlevoix, Cheboygan, Chippewa Lake, Clam River, Copemish, Dublin, East Jordan, Eastport, Elk Rapids, Ellsworth, Elmira, Empire, Evart, Falmouth, Fife Lake, Fountain, Frankfort, Fremont, Fruitport, Garfield Twp, Glen Arbor, Grand Rapids, Grant, Grawn, Harbor Springs, Harrietta, Hart, Hesperia, Holton, Honor, Howard City, Hoxeyville, Indian River, Irons, Kaleva, Kalkaska, Kentwood, Kingsley, Lake Ann, Lake City, Lake Leelanau, Lake Of The North, Le Roy, Levering, Ludington, Luther, Mackinaw City, Mancelona, Manistee, Manton, Marion, Mcbain, Mecosta, Merritt, Mesick, Moorestown, Morley, Muskegon, Muskegon Heights, Newaygo, Northport, Norton Shores, Old Mission, Onekama, Pellston, Pentwater, Petoskey, Ravenna, Reed City, Scottville, Shelby, South Boardman, St James, Stanwood, Suttons Bay, Torch River, Traverse City, Trufant, Tustin, Twin Lake, Walloon Lake, Wellston, White Cloud, Whitehall, Williamsburg, Wolf Lake, Wolverine, Wyoming

Big Rapids, Cadillac, Grand Rapids, Wyoming, Muskegon, Norton Shores, Traverse City

Antrim, Benzie, Charlevoix, Cheboygan, Clare, Emmet, Grand Traverse, Kalkaska, Lake, Leelanau, Mackinac, Manistee, Mason, Mecosta, Missaukee, Montcalm, Muskegon, Newaygo, Oceana, Osceola, Otsego, Ottawa, Wexford

Michigan