What is 313 Area Code?

The 313 area code is one of the original area codes established in 1947 and is primarily associated with Detroit and the surrounding areas in southeastern Michigan. Known as one of the most recognizable codes in the United States, 313 reflects both the city’s cultural significance and its role in commerce. It operates in the Eastern Time Zone and currently has no overlay area code.

  • State: Michigan
  • Major Cities: Detroit, Dearborn, Lincoln Park, Taylor
  • Time Zone: Eastern Time Zone (ET)
  • Established: 1947
  • Overlay Area Code: None
  • Region Population: Over 3 million residents
  • Primary Uses: Business, personal, and enterprise communications

Population & Demographics of 313 Area Code

The 313 area code serves more than 3 million residents, making it one of the most densely populated codes in Michigan. Detroit, as the largest city, is a hub for manufacturing, automotive, and technology businesses, with a diverse workforce.

The region has a mix of urban communities, historic neighborhoods, and industrial areas. It is also home to a culturally rich population that contributes to Detroit’s reputation as the “Motor City” and a center for music, business, and innovation.

313 Area Code Time Zone

The 313 area code operates in the Eastern Time Zone (ET). Businesses using a 313 number align their communication schedules with Detroit and nearby areas, making it easier to connect with local customers.