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Local 406 numbers

Get a 406 phone number for Billings and all of Montana.

Ask for 406 when you create a number on ExpressNumber, and the number you hand out reads as Montana, from Missoula to Billings. It rings the phone you already carry, and you burn it in one tap.

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This is how you get a 406 number.

  1. Start your 7 days free and open Create a number.
  2. Type 406 as the area code and give the number a name.
  3. Hand it out. Calls ring the phone you already carry, and texts land in your inbox.
  4. Burn it in one tap when you are done. Calls and texts to it stop at once.
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People ask for 406 when the search is in Billings, Missoula or Bozeman.

A cabin or an apartment for rent in Bozeman or Missoula draws calls from many strangers.

List it with a 406 number, take the calls on your own phone and burn the number once the lease is signed.

A used truck or a snowmobile for sale near Great Falls brings texts from buyers all week.

Post a 406 number with the photos, set it to Texts only and keep your own number off the ad.

A moving job or a roofing quote in Billings ends in follow-up calls.

Give each company its own 406 number. Block the ones you did not choose.

This is where a 406 number is from.

Area code 406 covers the whole State of Montana. It is the only area code on the numbering administrator's map of the state, with no second code laid over it.

That map labels Kalispell, Havre, Missoula, Great Falls, Wolf Point, Helena, Butte, Bozeman, Billings and Miles City.

  • Billings
  • Missoula
  • Great Falls
  • Bozeman
  • Butte
  • Helena
  • Kalispell
  • Havre
  • Miles City
  • Wolf Point

These are the facts about area code 406.

From the public records of the body that runs US phone numbering, read October 21, 2026.

Place
All of Montana, Montana
In service since
1947
Local calls are dialed with
Ten digits
Shares its area with
No other code

406 has been Montana's only area code since 1947. In 2025 the Public Service Commission opened an investigation into keeping it that way.

Dialing all ten digits for local calls became mandatory on October 24, 2021.

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Then pick the plan that fits how many numbers you hand out.

Basic

7 days free

$9.99/mo

  • 5 numbers, one for each site, store or dealer
  • 100 forwarded minutes a month
  • Burn a number in one tap
  • Extra numbers $1 a month each
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Pro

7 days free

$29.99/mo

  • 100 numbers
  • 1,000 forwarded minutes a month
  • A number per vendor, client or listing
  • Extra numbers 50¢ a month each
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$0 today. Monthly plans, cancel any time.

People ask these questions about getting a 406 number.

More in the full FAQ.

Create a number in your dashboard, type 406 as the area code and give it a name, such as Cabin for rent. It is live in about a minute. You do not need to live in Montana: calls ring the phone you already carry.

Yes, for taking calls and texts. A roofer, a tutor or a mover in Billings can put a 406 number on the flyer and the website, take the calls on their own phone and burn the number when the job is done.

Yes. Area code 406 covers the whole state, including Billings, Missoula, Great Falls, Bozeman, Butte and Helena.

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.

You get 7 days free and pay $0 today. After 7 days your plan starts: $9.99 a month for Basic or $29.99 a month for Pro. Cancel before then and you pay nothing.

More area codes

Every fact on this page comes from public numbering records.

The state, the dates and the related codes are rows of the North American Numbering Plan Administrator's area code database. The places are from its planning letters and the state’s own pages. Read October 21, 2026.

Put 406 on a number you can burn.

Hand out a number you can burn. Keep the one your family calls.

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