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area code

Biggest city:





Eastern (GMT -5)

Nearby area codes: 

Zip codes



Major Cities:

Detroit, Dearborn, Taylor, Dearborn Heights, Lincoln Park, Allen Park, Inkster, Hamtramck, Grosse Pointe Woods, Harper Woods, Grosse Pointe Park, Highland Park, Melvindale, Ecorse, Grosse Pointe Farms, River Rouge, and Grosse Pointe


Average Income:





Unemployment Rate:

Area code 313 is steeped in history and significance, particularly for the Detroit area and its surrounding communities in Wayne County, Michigan. Here are three key facts about this iconic area code: Geographical Coverage: Area code 313 serves Detroit and many of its closest suburbs in Wayne County, Michigan. This includes the enclave cities of Hamtramck and Highland Park, as well as communities such as Allen Park, Dearborn, Dearborn Heights, Ecorse, Inkster, Melvindale, the Grosse Pointe areas, Lincoln Park, Redford, River Rouge, and Taylor north of Goddard Road and east of Holland Road​​. Historical Significance: Established in 1947, area code 313 was one of the original 86 area codes. Initially, it covered the southeastern quadrant of Michigan, encompassing Metro Detroit, Flint, and the southern part of Michigan's "Thumb". This wide coverage underscores the area code's importance from its inception​​. Evolution and Future Plans: Over the years, the 313 area has undergone changes due to increasing demand for telephone services. In 1993 and 1997, parts of the original 313 area were split off to form new area codes, notably 810 and 734. This reshaping reflects the dynamic growth of the Detroit area. Additionally, area code 679 has been reserved as a potential future overlay for the 313 territory, with relief planning underway but no immediate need for activation as of 2021 projections​​. In conclusion, area code 313 is not just a telephonic identifier but a symbol of Detroit's history and ongoing evolution. Its journey from one of the original area codes to its current state mirrors the growth and changes in the Detroit metropolitan area.
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