313 Area Code

The 313 area code is found in the state of Michigan, and spans 9 different Counties. Listed below are the 9 Counties that reside inside of the 313 area code. Included under the Counties are the cities within the given County.
Genesee County Michigan
Flint
Kent County Michigan
Grand Rapids
Lapeer County Michigan
Lapeer
Livingston County Michigan
Brighton
Macomb County Michigan
Eastpointe, Saint Clair Shores, Washington
Monroe County Michigan
Azalia, Maybee, Milan, Newport
Oakland County Michigan
Auburn Hills, Bloomfield Hills, Farmington, Ferndale, Hazel Park, Madison Heights, Novi, Oak Park, Royal Oak, Southfield, Troy
Washtenaw County Michigan
Ann Arbor, Bridgewater, Saline, Whitmore Lake
Wayne County Michigan
Allen Park, Belleville, Canton, Dearborn, Dearborn Heights, Detroit, Ecorse, Grosse Pointe, Hamtramck, Harper Woods, Highland Park, Inkster, Lincoln Park, Livonia, Melvindale, Plymouth, Redford, River Rouge, Riverview, Romulus, Taylor, Trenton, Wayne, Westland