Area code 679 – Michigan, no numbers issued yet
679 has served Michigan since 2025, split from 313. No number blocks have been assigned in it yet, so no one currently has a number in this code. It shares its geography with overlay codes 313, so local calls take all ten digits.
Timeline
- 2025 679 goes into service, split from or overlaid on 313.
- 2026 As of 1 November 2026, no number blocks have been assigned in this code.
More about 679
Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.
Frequently asked about 679
What state is area code 679?
Michigan. It covers the same area as 313/679.
I got a call from 679 – is it real?
It cannot be a genuine subscriber: NANPA records show no number blocks assigned in 679, so no one has a number in it. A caller ID showing 679 is spoofed.
Do I need to dial 10 digits in 679?
Yes – ten digits for local calls in 679, because it shares its area with another code.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.