Michigan · Eastern Time
906 Area Code
Area code 906 is in Michigan, serving the entire Upper Peninsula of Michigan. It is in the Eastern Time zone (part of its territory observes Central Time).
Last updated October 1, 2026 · Source: NANPA
Where is the 906 area code?
906 is a Michigan area code covering the entire Upper Peninsula of Michigan. In the wider directory it sits in the Midwest region.
Cities in the 906 area code
- Marquette
- Sault Ste. Marie
- Escanaba
- Menominee
- Houghton
- Ishpeming
- Iron Mountain
- Kingsford
- Ironwood
- Negaunee
- Gladstone
- Hancock
- Munising
- St. Ignace
Counties served by 906
Marquette County, Chippewa County, Delta County, Menominee County, Houghton County, Dickinson County, Gogebic County, Alger County, Mackinac County and Schoolcraft County.
Time zone note: Eastern statewide except four Upper Peninsula counties near Wisconsin (Central).
Dialing 906
Marquette, MI is currently served by the single area code 906, with no overlay. Ten-digit dialing (area code + seven-digit number) always works and is increasingly the norm nationwide; some local calls may still connect with seven digits. If a future overlay is added, 10-digit dialing would become mandatory.
From outside the US, dial +1 906 followed by the seven-digit number.
History of the 906 area code
906 went into service on March 19, 1961. It serves Marquette and the surrounding part of Michigan. For how codes are created, split, and overlaid, see how area codes work.
Is 906 a scam or spam risk?
906 is a legitimate geographic area code, not a premium or toll line, so a call from it costs you nothing extra. That said, scammers frequently spoof real local area codes to look familiar on caller ID. A genuine 906 number on your screen is no guarantee the caller is in Marquette, MI or trustworthy. See spam & scam-risk area codes for how spoofing works and how to respond.
Other Michigan area codes
Explore more
See every code in Michigan, compare codes across the Midwest region, or view all Eastern Time codes. You can also browse the 9XX block or the complete numeric list of US area codes.
New to how this all works? Start with how area codes work, then read up on overlays, 10-digit dialing, and spam & scam-risk codes. To check another number, use the area code lookup tool.
Quick answers
906 area code FAQ
Where is the 906 area code?
The 906 area code is in Michigan, covering the entire Upper Peninsula of Michigan, in the Midwest region.
What cities are in the 906 area code?
Cities in the 906 area code include Marquette, Sault Ste. Marie, Escanaba, Menominee, Houghton, Ishpeming, Iron Mountain, Kingsford, Ironwood and Negaunee.
What time zone is 906 in?
906 is in the Eastern Time zone. Eastern statewide except four Upper Peninsula counties near Wisconsin (Central).
When did the 906 area code start?
906 went into service on March 19, 1961.
Do I have to dial 10 digits for 906?
Ten-digit dialing always works, and many areas now require it; some local calls in this area may still connect with seven digits.
Is 906 a toll-free or premium code?
No. 906 is a standard geographic area code, so calling it costs the same as any local or long-distance call on your plan. Toll-free calls use 800, 888, 877, 866, 855, 844 or 833.