The 231 Area Code (or Area Code 231) is located in the state of MI. Area Code 231 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 756 thousand unique phone numbers and 2.44 million individuals near the city of Marion
Area code 231 was put into service. Area code 231 was created from a split of area code 616.
State: Michigan - MI
Major City: Muskegon
Land area: 96,716 sq mi (250,493 km2)
Michigan - MI, The average home value is $38K.
Michigan - MI, The average resident's age is 55 y/o.
Michigan - MI, Income average is $26.9K.
State Population in Area Code 201: 9,928,300.
Latitude: 41° 41' N to 48° 18' N Longitude: 82° 7' W to 90° 25' W
Time zone in Area Code 201: Eastern 12:18:13.
Major Cities in Area Code 231: Norton Shores, MI>Shelby, MI