Pick 406 for Billings, Bozeman or Butte.
A number for any of these towns starts with the same code, because Montana has no other code.
Montana has one area code: 406.
Area codes in Montana
Get a phone number with the right area code for Montana.
406 is the only area code in Montana, and it covers the whole state, from Billings and Missoula to Great Falls, Bozeman and Butte.
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Montana has one area code.
In the order they opened.
406
406 is the only area code in Montana.
Montana has had 406 alone since 1947, with nothing laid over it.
Pick 406, the one code Montana has.
Pick 406 for Missoula or Great Falls.
These cities share 406 with the rest of Montana, so the only choice is the number itself.
People filed 96 FCC complaints about unwanted calls from Montana area code in 12 months.
From October 2025 to September 2026, 96 unwanted-call complaints filed with the FCC gave a caller ID number that started with the Montana code.
- 96unwanted-call complaints named a Montana 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.
This is how you get a Montana number.
- 1
Start your free week.
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- 2
Type the code you picked.
Open Create a number, type the three digits and give the number a name.
- 3
Hand the number out.
Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
People ask these questions about Montana area codes.
More in the full FAQ.
Yes. Missoula uses 406, the same as Billings and Great Falls.
No. 406 covers the whole state.
Montana has one area code, 406, in service since 1947, by the numbering administrator's report of October 23, 2026.
Montana has one area code, 406, in service since 1947. Montana has had 406 alone since 1947, with nothing laid over it.
A local call in Montana is dialed with ten digits. The area code is part of every number you give out.
From October 2025 to September 2026, people filed 96 FCC complaints about unwanted calls from numbers that start with a Montana code. The only one named was 406 (96). 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 Montana. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.
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States next to Montana
More area codes
Every fact on this page comes from public numbering records.
The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database (its report of October 23, 2026), and the complaints are the FCC's own.
Put a Montana code on a number you can burn.
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