The area codes for Detroit are 313 and 679.

Area codes in Detroit

Get a phone number with the right area code for Detroit.

313 is Detroit and the Wayne County suburbs around it. 679 was laid over it in November 2025. The rest of metro Detroit has other codes.

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Detroit has two area codes.

Pick 313 for Detroit, 248 for Oakland County, or 734 for the suburbs toward Ann Arbor.

Pick 313 if the number should read as Detroit.

313 dates from 1947 and covers Detroit and the surrounding suburbs in Wayne County.

Pick 248 if the number is for Troy, Southfield or Pontiac.

248 covers Oakland County, the suburbs around Troy, Southfield, Pontiac, Royal Oak and Farmington Hills.

Pick 734 if the number is for Ann Arbor or Livonia.

734 was split from 313 in 1997. It covers the places outside Detroit, among them Ann Arbor, Livonia, Plymouth and Ypsilanti.

People filed 146 FCC complaints about unwanted calls from Detroit area codes in 12 months.

From October 2025 to September 2026, 146 unwanted-call complaints filed with the FCC gave a caller ID number that started with 313 and 679. 313 was named most, on 145 of them (99%).

  • 146unwanted-call complaints named a Detroit code
  • 313was named on the most of them, 145
  • 99%of the Detroit complaints named 313

Detroit codes

How many complaints named a caller ID that starts with each Detroit code.

  1. 1313Detroit145
  2. 2679Overlay code1

Source: Federal Communications Commission, CGB - Consumer Complaints Data (dataset 3xyp-aqkj), issue "Unwanted Calls", read on November 4, 2026. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.

This is how you get a Detroit number.

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People ask these questions about Detroit area codes.

More in the full FAQ.

No. 586 covers Warren and Macomb County, and it was split from the old 810 area in 2001. It has its own page here.

679 entered service on November 7, 2025, laid over 313. The Michigan Public Service Commission approved it on May 18, 2023.

A local call in Detroit is dialed with ten digits, whichever of its codes the number starts with. The area code is part of every number you give out.

From October 2025 to September 2026, people filed 146 FCC complaints about unwanted calls from numbers that start with a Detroit code: 313 (145) and 679 (1). A complaint is one person's report. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.

Yes. You type the area code you want when you create a number, and you do not need to live in Detroit. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.

No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.

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Codes around Detroit

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Every fact on this page comes from public numbering records.

The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database, and the complaints are the FCC's own.

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