The 406 area code covers Billings, Missoula, Great Falls and more in Montana. Provision a local 406 number in minutes.
Area code 406 is the sole code for Montana, the fourth-largest US state by area and one of the most sparsely populated. Billings is the largest city, serving as a regional center for agriculture, energy, and healthcare. Bozeman has emerged as a rapidly growing tech and outdoor lifestyle hub near Yellowstone National Park.
The 406 area code covers Billings, Missoula, Great Falls, Bozeman in Montana.
Phone numbers in the 406 area code operate on America/Denver time.
Yes. The 406 area code was introduced in 1947 and remains an active geographic code today.
Yes. Ajoxi provisions virtual 406 numbers with instant activation, clean caller-ID delivery, Tier-1 routing, and no setup fees — so you can build a local presence in minutes.
Provision a 406 number with instant activation, clean caller-ID, and Tier-1 routing — no setup fees, live in minutes.