Pick 313 if the number should read as Detroit.
313 dates from 1947 and covers Detroit and the surrounding suburbs in Wayne County.
The area codes for Detroit are 313 and 679.
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.
145 FCC complaints
Get a 313 number1 FCC complaint
313 dates from 1947 and covers Detroit and the surrounding suburbs in Wayne County.
248 covers Oakland County, the suburbs around Troy, Southfield, Pontiac, Royal Oak and Farmington Hills.
734 was split from 313 in 1997. It covers the places outside Detroit, among them Ann Arbor, Livonia, Plymouth and Ypsilanti.
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%).
Detroit codes
How many complaints named a caller ID that starts with each Detroit code.
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.
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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.
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Codes around Detroit
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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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