Cities in area code 231
Area code 231 serves 99 localities in Michigan, led by Muskegon, Traverse City, Petoskey. The table lists every rate center — the billing locality each prefix is anchored to — with its share of the code's 571 active prefixes.
By numbering footprint the leading localities are Muskegon, Traverse City, Petoskey, Cadillac, Big Rapids, Ludington, Cheboygan and Manistee, and 90 smaller communities down to single-prefix localities. Prefix counts track lines in service, so the ranking is a reasonable proxy for where the code's subscribers actually are.
Metropolitan coverage: 20 rate centers belong to FCC top-100 metro areas.
Clock-wise the coverage is Eastern.
A caller's real location can differ: numbers port between carriers and follow their owners when they move. Use the prefix tables to see where a specific number block was issued.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| Muskegon | 67 | (Grand Rapids--Muskegon--Holland, MI MSA) | 231 |
| Traverse City | 53 | — | 231 |
| Petoskey | 22 | — | 231 |
| Cadillac | 21 | — | 231 |
| Big Rapids | 19 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Ludington | 14 | — | 231 |
| Cheboygan | 13 | — | 231 |
| Manistee | 12 | — | 231 |
| Kalkaska | 10 | — | 231 |
| Fremont | 9 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Newaygo | 9 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Boyne City | 8 | — | 231 |
| Frankfort | 7 | — | 231 |
| Harbor Springs | 7 | — | 231 |
| Charlevoix | 7 | — | 231 |
| Hart | 7 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Reed City | 7 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Northport | 7 | — | 231 |
| Beulah | 7 | — | 231 |
| Fife Lake | 6 | — | 231 |
| Glen Lake | 6 | — | 231 |
| Morley | 6 | Grand Rapids-Wyoming-Kentwood, MI | 231 |
| McBain | 6 | — | 231 |
| Evart | 6 | — | 231 |
| East Jordan | 5 | — | 231 |
| Elmira | 5 | — | 231 |
| Coral | 5 | Grand Rapids-Wyoming-Kentwood, MI | 231 |
| Mancelona | 5 | — | 231 |
| Grant | 5 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Whitehall | 5 | (Grand Rapids--Muskegon--Holland, MI MSA) | 231 |
| Mackinaw City | 5 | — | 231 |
| Baldwin | 5 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Bellaire | 5 | — | 231 |
| Scottville | 5 | — | 231 |
| Wolverine | 5 | — | 231 |
| Mecosta | 4 | — | 231 |
| Alanson | 4 | — | 231 |
| Honor | 4 | — | 231 |
| Moorestown | 4 | — | 231 |
| Lake City | 4 | — | 231 |
| Lake Ann | 4 | — | 231 |
| Pentwater | 4 | — | 231 |
| Williamsburg | 4 | — | 231 |
| Onekama | 4 | — | 231 |
| Shelby | 4 | — | 231 |
| Alden | 4 | — | 231 |
| Central Lake | 4 | — | 231 |
| Fruitport | 4 | (Grand Rapids--Muskegon--Holland, MI MSA) | 231 |
| White Cloud | 4 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Howard City | 4 | Grand Rapids-Wyoming-Kentwood, MI | 231 |
| Brutus | 3 | — | 231 |
| Boyne Falls | 3 | — | 231 |
| Suttons Bay | 3 | — | 231 |
| Interlochen | 3 | — | 231 |
| Bear Lake | 3 | — | 231 |
| Merritt | 3 | — | 231 |
| Levering | 3 | — | 231 |
| Indian River | 3 | — | 231 |
| Lake Leelanau | 3 | — | 231 |
| Kingsley | 3 | — | 231 |
| Elk Rapids | 3 | — | 231 |
| Irons | 3 | — | 231 |
| Eastport | 3 | — | 231 |
| Fountain | 3 | — | 231 |
| Hesperia | 3 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Falmouth | 3 | — | 231 |
| Tustin | 3 | — | 231 |
| Twin Lake (muskegon) | 3 | (Grand Rapids--Muskegon--Holland, MI MSA) | 231 |
| Le Roy | 3 | — | 231 |
| Harrietta | 3 | — | 231 |
| Walloon Lake | 3 | — | 231 |
| Marion | 3 | — | 231 |
| Ravenna | 3 | (Grand Rapids-Kentwood, MI Metropolitan Statistical Area) | 231 |
| Manton | 3 | — | 231 |
| Holton | 3 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Freesoil | 3 | — | 231 |
| Luther | 3 | — | 231 |
| Chippewa Lake | 2 | — | 231 |
| Saint James | 2 | — | 231 |
| Lakes of the North | 2 | — | 231 |
| Buckley | 2 | — | 231 |
| Torch River Bridge | 2 | — | 231 |
| Kaleva | 2 | — | 231 |
| Clam River | 2 | — | 231 |
| Stanwood | 2 | — | 231 |
| Dublin | 2 | — | 231 |
| Pellston | 2 | — | 231 |
| Carr | 2 | (Grand Rapids-Wyoming, MI Metropolitan Statistical Area) | 231 |
| Brethren | 2 | — | 231 |
| Alba | 2 | — | 231 |
| Ellsworth | 2 | — | 231 |
| Mesick | 2 | — | 231 |
| Amble | 2 | Grand Rapids-Wyoming-Kentwood, MI | 231 |
| Wellston | 2 | — | 231 |
| Old Mission | 1 | — | 231 |
| South Boardman | 1 | — | 231 |
| Copemish-thompsonville | 1 | — | 231 |
| Bois Blanc | 1 | — | 231 |
| Hoxeyville | 1 | — | 231 |
FAQ
What is the biggest city in area code 231?
Muskegon holds the most active prefixes (67), making it the code's largest numbering locality.
How many places does 231 cover?
99 rate centers in Michigan hold active 231 prefixes, from Muskegon down to communities with a single prefix.
Does a 231 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.