313 Area Code
Michigan, USA
Local time now · Eastern Time
3:42 AM
Area code 313 is in Michigan, USA, serving Detroit, Dearborn, Dearborn Heights and Redford. It uses Eastern Time — the time there now is 3:42 AM. 679 is an overlay for the same area, so local calls need 10-digit dialing. In service since 1947.
| Area code | 313 |
|---|---|
| Location | Michigan, USA |
| Major cities | Detroit, Dearborn, Dearborn Heights, Redford, Lincoln Park, Allen Park, Hamtramck, Inkster |
| Time zone | Eastern Time |
| Overlay codes | 679 |
| In service since | 1947 |
| Dialing | 1+10 digit permissible at each service provider’s discretion. |
Other area codes in Michigan
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Frequently asked questions
Where is area code 313?
Michigan, USA — including Detroit, Dearborn, Dearborn Heights, Redford and Lincoln Park.
What time zone is area code 313?
Eastern Time.
How do I call a 313 number from abroad?
Dial your international access code, then 1 (the country code), then 313 and the 7-digit number — for example +1 313 555 0100. From the UK or India dial 00 1 313 …; from Bangladesh 00 1 313 … .
Is a call from 313 a scam?
Not by itself — 313 is an ordinary geographic area code in Michigan. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.