The most populous cities in area code 231 are: Muskegon, Allendale, Traverse City, Big Rapids, and Cadillac.
Other cities in the 231 area code include: Ludington, Manistee, Petoskey, Cheboygan, Fremont, Boyne City, Reed City, Whitehall, Charlevoix, East Jordan, Hart, Kalkaska, Shelby, Twin Lake, Howard City, Rapid City, Newaygo, Indian River, Evart, Kingsley, Elk Rapids, Baldwin, Fruitport, Mancelona, Frankfort, White Cloud, Scottville, Ravenna, Manton, Elmira, Harbor Springs, Central Lake, Lake City, Bellaire, Pentwater, Grant, Alanson, Pellston, Buckley, Marion, Mc Bain, Morley, Mackinaw City, Thompsonville, Northport, South Boardman, Mecosta, Suttons Bay, Kaleva, Interlochen, Onekama, Brethren, Mesick, Empire, Luther, Boyne Falls, Leroy, Ellsworth, Beulah, Wellston, Bear Lake, Honor, Lake Ann, Tustin, Wolverine, Beaver Island, Levering, Stanwood, Lake Leelanau, Maple City, Harrietta, Fountain, Brutus, Glen Arbor, Free Soil, Alden, Cedar, Branch, Coral, Falmouth, Fife Lake, Hesperia, Holton, Irons, Merritt, Naubinway, Rodney, and Williamsburg.
Muskegon / ˌ m ʌ s ˈ k iː ɡ ə n / is a city in the U.S. state of Michigan, and is the largest populated city on the eastern shores of Lake Michigan. At the 2010 census the city population was 38,401. The city is the county seat of Muskegon County. It is located at the southwest corner of Muskegon Township, but is administratively autonomous.The Muskegon Metro area had a population of 172,188 in 2010. It is also part of the larger Grand Rapids - Wyoming - Muskegon - Combined Statistical Area with a population of 1,321,557.
Allendale is a census-designated place (CDP) in Ottawa County in the U.S. state of Michigan. The population was 17,579 at the 2010 census. It is located within Allendale Charter Township, occupying the northern two-thirds of the township, from the eastern boundary with the Grand River west along Pierce St., north along 75th Ave., then west along Lake Michigan Drive (M-45) to the western boundary of the township. It is a part of the Grand Rapids-Muskegon-Holland, Michigan combined statistical area, and is an exurb of Grand Rapids, due to its major commuter routes into the city (M-45 and I-96).The ZIP code 49401 serves all of Allendale and many of the remnant portions of the township, as well as portions of Blendon Township to the south and Georgetown Township to the southeast. Allendale is named for the township. Malta was initially chosen as the name for the township, however when the township was organized in 1849, state senator Pennoyer changed the name to Allendale, after Agnes Allen, the first person on the tax roll in the area and the widow of Hannibal Allen, who was the son of Revolutionary War hero Ethan Allen. Allendale is best known as being home to the main campus of Grand Valley State University.
Traverse City is a city in the U.S. state of Michigan. It is the county seat of Grand Traverse County, although a small portion extends into Leelanau County. It is the largest city in the 21-county Northern Michigan region. The population was 14,674 at the 2010 census, with 143,372 in the Traverse City micropolitan area.The Traverse City area is the largest producer of tart cherries in the United States. Near the time of cherry harvest, the city hosts the annual week-long National Cherry Festival in the first full week of July, attracting approximately 500,000 visitors annually. The surrounding countryside also produces grapes, and is one of the centers of wine production in the Midwest. Tourism, both summer and winter, is another key industry. The Traverse City area features varied natural attractions, including freshwater beaches, vineyards, a National Lakeshore, downhill skiing areas, and numerous forests. In 2009, TripAdvisor named Traverse City the number two small town travel destination in the United States. In 2012, the city was listed among the 10 best places to retire in the U.S., by U.S. News.
The 231 area code lies within the Eastern Daylight Time Zone (or EDT). The current time in Eastern Daylight Time is 0:35 AM on Apr 19, 2021.