The area code 313 is located in Dearborn, Michigan.
Area code 313 serves Dearborn, Michigan, and the heart of the Detroit metro in southeastern Michigan. Centered in Wayne County, it covers Dearborn just west of Detroit, connecting major neighborhoods, businesses, and historic sites. The code is closely tied to Detroit’s identity and culture, making it one of the most recognized phone number prefixes in the state. Established in 1947, it’s among the earliest area codes in the North American Numbering Plan.
"Area code 313 was created in 1947 as one of the original North American area codes." — North American Numbering Plan Administrator (NANPA)
Key cities and communities in the 313 area include:
In Dearborn, 313 covers major landmarks like The Henry Ford (the museum and Greenfield Village), the Ford Motor Company world headquarters, and the historic Rouge Complex. The area code also spans Detroit icons such as the riverfront and cultural institutions, reflecting its long-standing role in Michigan’s industry and arts. Neighboring area codes include 734 to the west and south, 248/947 to the north, and 586 to the northeast. For calls to the region from abroad, use country code +1 followed by the 313 number.
Over time, 313’s footprint changed as demand grew. It originally covered a larger part of southeast Michigan before splits created 810 (1993) and 734 (1997). Today, 313 remains a symbol of metro Detroit pride and history, widely recognized in music and film. Expect a mix of residential, business, and cultural numbers within this historic and high-profile Michigan area code.