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Area code Verified Nov 1, 2026 · Source: NANPA

Area code 906 – Michigan

906 has served Michigan since 1961. 360 of its 786 number blocks are allocated (46%). Other CLEC / VoIP is the largest holder with 45.6% of blocks, ahead of AT&T at 29.4%. Spam complaints are comparatively rare: 128 in the 33 days to 30 October 2026, 369th of the 422 codes with five or more complaints.

State
Michigan
In service since
1961
Time zone
Eastern, Central
Shares area with
No overlay

Who holds 906 number blocks

Share of the 360 assigned NXX blocks (45.8% of the 786 possible), across 43 carriers. This is share of number blocks, not of subscribers.

  • Other CLEC / VoIP45.3%
  • AT&T29.4%
  • Verizon8.6%
  • Onvoy5.6%
  • Lumen3.9%
  • Charter2.8%
  • Brightspeed2.2%
  • T-Mobile0.8%
  • Bandwidth0.3%
  • Comcast0.3%
  • Peerless0.3%
  • Vonage0.3%
  • Twilio0.3%

Spam complaints naming 906

FTC Do Not Call complaints where the caller ID was a 906 number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are frequently spoofed, so these are complaints about the code, not calls proven to originate in it.

128 complaints in 33 days
#369 of 422 ranked codes

Rate centers in 906

NANPA allocates number blocks to rate centers and records their names abbreviated to ten characters, so these are NANPA's codes rather than place names – CHAMPAURBN is Champaign-Urbana, NWYRCYZN01 is a New York City zone. We show them unchanged instead of guessing at the full names. Showing the largest 5 of 93.

MARQUETTE39
IRON MT15
SALTSTMARI13
ESCANABA13
HOUGHTON13

Timeline

  1. 1961 906 goes into service in Michigan.

More about 906

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.

All prefixes Every one of the 360 assigned NXX blocks, with the holder of each Local time Zone, UTC offset, clock changes and a live clock Spam complaints How often the code appears in FTC complaints, and what to do Carriers Who holds the number blocks, and why that is not who serves them

Frequently asked about 906

What state is area code 906?

Michigan.

Is a call from 906 a scam?

Not by itself. 906 drew 128 FTC complaints in the 33 days to 30 October 2026, 369th of 422 ranked codes – mid-pack or lower. Spam callers spoof caller IDs, so the only useful check is the full number.

Which carrier owns 906 numbers?

Other CLEC / VoIP holds the largest share of assigned number blocks at 45.6%. The rest is spread across 3 other carriers. This is share of number blocks, not of subscribers – people keep their numbers when they switch carriers.

Do I need to dial 10 digits in 906?

Yes – ten digits for local calls in 906, because it shares its area with another code.

Sources and verification

NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.