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.
Across Montana, the 406 area code serves roughly 1.1 million residents in 4 communities — including Billings, Missoula, Great Falls, among others. Numbers in the 406 zone keep Mountaintime, so a local line rings during your customers' business hours and shows a familiar MT caller ID on every outbound call.
406 was first introduced in 1947 under the North American Numbering Plan. It remains an active geographic code today.
Want a 406 number of your own? With Ajoxi you can claim one in minutes — no hardware, no contracts — and route calls, SMS, voicemail, and team messaging anywhere on a single UCaaS platform, with Tier-1 routing and clean caller-ID delivery on every line.
De 406 area code reaches 4 communities across Montana, from Billings to Bozeman. A customer in any of them sees a familiar local number when you call, which is the single biggest driver of answer rates — and with Ajoxi you can claim a number in any of these cities, or several at once, and route every call to the same team.
Pair a local Billings presence with enterprise-grade UCaaS — calling, meetings, and messaging on one platform.
Get a 406 NumberA 406 number tells Billings customers you're local — instant trust and higher answer rates, no office required.
Every 406 line includes HD calling, video meetings, team chat, SMS/MMS, auto-attendant, call recording, and an AI assistant.
Already have a 406 number? Port it in for free. Your number stays yours — port out anytime, no lock-in.
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.
Choose a 406 number in the Ajoxi dashboard and it activates immediately — no hardware, no contracts, and no setup fees. Prefer to keep a number you already use? Port any existing 406 number in for free, usually within a few business days and with no downtime during the switch.
Yes. Every 406 number supports SMS and MMS alongside HD calling, so your team can text customers, run campaigns, and reply to conversations from the same line — all in the browser on any device, with no separate app to install.
Provision a 406 number with instant activation, clean caller-ID, and Tier-1 routing — no setup fees, live in minutes.