The 679 area code covers the same area as 313, including Detroit in Michigan.
Area code 679 is in Michigan, on Eastern Time. In the 679 area, phone numbers are given out in Wayne County. It has been in service since November 7, 2025. 313 covers the same area, so two neighbours can have different area codes.
- Where
- Wayne County, Michigan
- Time zone
- Eastern Time
- In service since
- November 7, 2025
- Shares its area with
- 313 (since 1947)
- Prefixes in use
- None assigned yet, per NANPA
- How to dial
- Local calls need all 10 digits: 679-555-0142.
Find out who called you from a 679 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (679) number is on today, use our free carrier lookup.
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679 started in 2025 as an overlay on 313, and its ground has not changed since.
2025
679 starts on November 7, 2025, as an overlay on 313: new numbers on the same ground.
A 679 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 679 are 248, 586 and 810.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
These are the questions people ask most about area code 679.
Where is area code 679?
679 covers Detroit in Michigan. In the 679 area, phone numbers are given out in Wayne County.
What state is area code 679 in?
Michigan. 679 is a Michigan area code on Eastern Time.
What time zone is area code 679 in?
679 is on Eastern Time.
When did area code 679 start?
679 went into service on November 7, 2025, as an overlay on 313: new numbers for the same area.
Is 679 the same area as 313?
Yes. 313 (since 1947) covers the same ground as 679. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 679 number?
Local calls need all 10 digits: 679-555-0142.
Is 679 a toll-free number?
No. 679 is a regular area code for Detroit in Michigan, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 679?
The closest are 248/947 (Pontiac, Michigan), 586 (Mount Clemens, Michigan), 810 (Flint, Michigan) and 517 (Lansing, Michigan), measured between the centres of each area.
Who called me from a 679 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 679 a scam?
679 is a real Michigan area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.