Montana (MT)
Calling Code 406
Connecting to "Big Sky Country"? Montana is a unique single-area-code state. Whether you are calling Billings, Missoula, or Bozeman, you just need one code: 406.
How to Call Montana
Calling Montana is simple because the entire state shares a single area code.
Exit Code
Dial 00 (Europe) or 011 (World).
(Or just use + on mobile/VoIP)
US Code (+1)
Dial +1. This is the country code for the United States.
Code 406
Dial 406 followed by the 7-digit number. This covers all of Montana.
The "406" Identity
Montana is one of the few remaining states with a single area code. "406" is more than just a number; it's a symbol of state pride. You never have to guess the area code—it's always 406.
Major Montana Cities (406)
All these cities use the 406 area code.
| City | County | Area Code |
|---|---|---|
| Billings | Yellowstone | 406 |
| Missoula | Missoula | 406 |
| Great Falls | Cascade | 406 |
| Bozeman | Gallatin | 406 |
| Butte | Silver Bow | 406 |
| Helena | Lewis and Clark | 406 |
| Kalispell | Flathead | 406 |
Why Use VoIP to
Call Montana?
Calling rural US states like Montana from abroad can be costly with traditional carriers. StartACall uses advanced VoIP technology to connect you to the 406 area code instantly and cheaply.
- Connect to Billings & Missoula instantly
- Avoid high international roaming fees
- Crystal clear voice quality even to rural areas
- No app download required
Save Money
Rates starting at just $0.01/min to US numbers.
Anywhere
Call from your laptop in London to a mobile in Bozeman.
Secure
Bank-level encryption keeps your conversations private.
Instant
No setup time. Just enter the 406 number and talk.
Frequently Asked Questions
Does Montana really only have one area code?
Yes! Montana is one of the few states (along with states like Wyoming and Alaska) that still uses a single area code (406) for the entire state.
What time is it in Montana?
Montana is in the Mountain Time Zone (MT). It is usually 7 hours behind GMT/UTC (or 6 hours behind during Daylight Saving Time).
Can I call Montana mobiles and landlines?
Yes, StartACall allows you to call both mobile phones and landlines in Montana. The rate is typically the same for both in the US.
Do I need to dial +1 before 406?
If you are calling from outside the USA (or using our browser dialer), yes. You should dial +1 406 followed by the number.
Ready to call Montana?
Connect with the 406 instantly. No credit card required to sign up.