CallataGuides

Get a local business phone number in Missoula, MT

Missoula's area code, prefixes and carriers from NANPA records, and how to put a Missoula number in front of your customers.

Area code
406
Exchanges
47NANPA-assigned
Carriers
16
Population
78,204Census 2024 est.

Missoula area codes

Missoula, in Missoula County, Montana, had a Census-estimated population of 78,204 in July 2024. All 47 exchanges NANPA lists for its rate center are in area code 406. Missoula is in the Mountain time zone.

According to NANPA's dialing-plan data, local calls within 406 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Missoula, MT
Area codeExchanges hereShareIn service sinceOverlay withTime zone
40647100%1947noneMountain

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Phone carriers in Missoula

16 carriers hold the 47 exchanges assigned to Missoula's rate center. Qwest Corporation has the most, with 13. 26 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Carriers holding exchanges in Missoula, MT
Carrier (NANPA operating company)ExchangesShare
Qwest Corporation1328%
Cellco Partnership d/b/a Verizon Wireless - MT919%
New Cingular Wireless PCS, LLC511%
Charter Ip Enabled Services, LLC36.4%
Level 3 Communications, LLC - MT24.3%
T-mobile USA, INC.24.3%
Teleport Communications America MT - LLC24.3%
Onvoy, LLC - MT24.3%
Blackfoot Communications, INC. - MT24.3%
Skye Telecom LLC d/b/a Skyetel12.1%
Telnyx LLC12.1%
Livewire Telecom, LLC12.1%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Exchanges (NPA-NXX) assigned in Missoula

These are the central office codes NANPA records for Missoula. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 5 of the 47 were assigned in 2020 or later.

Prefixes assigned in Missoula, MT
Area codePrefixes (NXX)
406203, 207, 214, 215, 218, 239, 240, 241, 243, 251, 258, 273, 274, 303, 304, 317, 327, 329, 370, 396, 406, 481, 493, 509, 510, 519, 523, 529, 531, 532, 540, 541, 542, 543, 544, 546, 549, 550, 552, 610, 618, 721, 728, 829, 830, 880, 926

Source: NANPA utilized central office code file.

When Missoula's exchanges were assigned

Assignment dates show when each block of Missoula numbers was added to the local supply.

Missoula, MT: exchanges by decade assigned
Decade assignedExchangesShare
2000s640%
2010s427%
2020s533%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

How local numbers work in Missoula

What a caller sees as "local" is the area code plus prefix. In Missoula, those come from the MISSOULA rate center, as recorded by NANPA.

New local numbers are drawn from carrier inventory, so the exact 406 numbers available change over time; porting an existing number is free.

The local business market

Missoula is part of the Missoula, MT metro area, home to 128,000 people in 2024. County Business Patterns counted 4,960 business establishments in the Missoula, MT metro area in 2023, employing 54,945 people. The largest sectors by establishment count are professional, scientific, and technical services (648), construction (633), and health care and social assistance (632).

Selected industries in the Missoula, MT metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Law offices1436994.9
Offices of real estate agents and brokers1232462.0
Limited-service restaurants1002,33823.4
Full-service restaurants992,60526.3
Residential remodelers973833.9
Landscaping services812362.9
Mental health practices801642.0
New single-family housing construction contractors771742.3

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

Setting up a Missoula business line

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

If you already have a number in Missoula, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

The comparison below uses 11 users, the rounded average establishment size in the Missoula, MT metro area. At list prices checked September 28, 2026, that is $274.45 a month on Ooma Office Pro and $330.00 on RingCentral RingEX Core. On Callata the same 11 people cost $219.00 a month, less than either per-seat plan.

Monthly list price for an 11-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$219.00$2,628.00
Quo (Starter)$19.00 per user$209.00$2,508.00
Nextiva (Core)$23.00 per user$253.00$3,036.00
Ooma (Office Pro)$24.95 per user$274.45$3,293.40
Dialpad (Standard)$27.00 per user$297.00$3,564.00
RingCentral (RingEX Core)$30.00 per user$330.00$3,960.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Frequently asked questions

What area code is Missoula, MT?

406. All exchanges NANPA lists for Missoula are in 406.

How many phone companies have exchanges in Missoula?

16, holding 47 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Missoula business number?

Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.

How much is a business phone line in Missoula?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 11 users come to $219.00 a month. For comparison, 11 users on RingCentral RingEX Core list at $330.00 a month (checked September 28, 2026).