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Map of Michigan area codes.

Area code 313 is an area code within the North American Numbering Plan serving Detroit and most of its closest suburbs in Wayne County, Michigan. It includes the enclave cities Hamtramck and Highland Park, as well as Allen Park, Dearborn, Dearborn Heights, Ecorse, Inkster, Melvindale, the Grosse Pointe communities, Lincoln Park, Redford, River Rouge, and Taylor north of Goddard Road and east of Holland Road.



The Numbering Plan Area 313 was created as one of the original 86 plan areas in 1947. It included the entire southeastern quadrant of Michigan, including Metro Detroit, Flint, and the southern part of Michigan's "Thumb."

Because of the demand for new telephone service, area code 810 was created for the northern suburbs, Flint, and the "southern" Thumb on December 1, 1993. On December 13, 1997, the 313 area was further divided, creating area code 734 out of Washtenaw County (Ann Arbor), Monroe County, plus western and downriver Wayne County.

Area code 679 has been reserved as a future overlay to the 313 area.[1][2] Relief planning is in progress[1] and 2019 estimates do not expect 313 to be exhausted until 2032.[3]

In popular cultureEdit

Rappers from Detroit, especially Eminem, often mention the 313 code in their songs in reference to this area and its notoriety. One of the tracks from his 1996 independent debut solo album Infinite is titled "313". In the 2002 film 8 Mile, featuring Eminem, the 313 area code is mentioned multiple times in the film, primarily because of the film's setting in Detroit. Eminem's character, B–Rabbit, and his friends call their group "three one third", their nickname for the area code.

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