Area code 406
406 is Billings, Missoula, Great Falls, Montana.
Area code 406 at a glance
- State
- Montana
- Main cities
- Billings, Missoula, Great Falls, Helena, Bozeman, Kalispell, Butte, Livingston
- Time zone
- Mountain Time
- Local time now
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- Overlay codes
- No overlay — 406 is the only area code here.
- In service since
- 1947
Get a 406 number
Rent a real 406 number and receive calls and text messages on it from anywhere. Calls ring in your browser, and voicemail is transcribed automatically.
$3.90/month
Available now
- +1 406 605 0257
- +1 406 605 0273
- +1 406 808 0790
- +1 406 290 6918
- +1 406 709 9029
Call a 406 number from abroad
Call any 406 number from your browser — no SIM, no app install, and no international roaming charge.
Calls to United States start at $0.02/min from QuikRing.
Call now in your browserCalling 406 from inside the US or Canada
Dial 1, then 406, then the 7-digit number.
Calling a 406 number or a 1-800 number from outside the US or Canada? Here is how to reach it from abroad.
Frequently asked questions
Where is area code 406?
Area code 406 covers Billings, Missoula, Great Falls in Montana.
What time is it in area code 406?
Area code 406 is in the Mountain Time time zone. See the live clock above for the current local time.
How do I get an area code 406 phone number?
Sign up for QuikRing and rent one of the available 406 numbers shown above. It starts working immediately and can receive real calls and text messages.
How much does it cost to call 406 from abroad?
Calls to United States numbers, including area code 406, start at $0.02/min with QuikRing — no roaming plan or SIM needed.