Detroit, Michigan
Eastern Time Zone (UTC-5) · MI · —
About Area Codes in Detroit, Michigan
Detroit, Michigan is served by area code 313, which was one of the original area codes established in 1947 under the North American Numbering Plan. The city falls within the Eastern time zone (UTC-5). All calls to and from Detroit use the 313 area code prefix for local and long-distance dialing.
Other cities in area code 313
Frequently Asked Questions
What area code is Detroit, Michigan?
Detroit, Michigan uses area code 313.
What time zone is Detroit in?
Detroit is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Detroit?
Standard 7-digit dialing is used for local calls within Detroit. However, 10-digit dialing is always accepted and required for long-distance calls.
When was area code 313 created?
Area code 313 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 313 with Detroit?
Other cities sharing area code 313 with Detroit include Allen Park, Dearborn, Dearborn Heights, Ecorse, Hamtramck, among others.
Detroit, MI · Eastern Time Zone