CallataGuidesGet a local business phone number in West Yellowstone, MT
West Yellowstone's area code, prefixes and carriers from NANPA records, and how to put a West Yellowstone number in front of your customers.
- Area code
- 406
- Exchanges
- 3NANPA-assigned
- Carriers
- 2
- Population
- 1,202Census 2024 est.
Area codes in West Yellowstone
West Yellowstone town is a Census place in Gallatin County, Montana, with an estimated 1,202 residents in 2024. All 3 exchanges NANPA lists for its rate center are in area code 406. West Yellowstone 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 code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 406 | 3 | 100% | 1947 | none | Mountain |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Who holds West Yellowstone phone exchanges
2 carriers hold the 3 exchanges assigned to West Yellowstone's rate center. Cellco Partnership d/b/a Verizon Wireless - MT has the most, with 2. 3 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Cellco Partnership d/b/a Verizon Wireless - MT | 2 | 67% |
| Qwest Corporation | 1 | 33% |
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.
Local prefixes for West Yellowstone
These are the central office codes NANPA records for West Yellowstone. A caller seeing one of them recognizes a local number. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 406 | 640, 641, 646 |
Source: NANPA utilized central office code file.
How local numbers work in West Yellowstone
What a caller sees as "local" is the area code plus prefix. In West Yellowstone, those come from the WYELLOWSTN 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
West Yellowstone is part of the Bozeman, MT metro area, home to 127,000 people in 2024. County Business Patterns counted 6,828 business establishments in the Bozeman, MT metro area in 2023, employing 59,252 people. The largest sectors by establishment count are construction (1,363), professional, scientific, and technical services (947), and retail trade (622).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Offices of real estate agents and brokers | 268 | 323 | 1.2 |
| New single-family housing construction contractors | 262 | 1,207 | 4.6 |
| Full-service restaurants | 157 | 3,843 | 24.5 |
| Landscaping services | 148 | 663 | 4.5 |
| Residential remodelers | 143 | 371 | 2.6 |
| Janitorial services | 114 | 644 | 5.6 |
| Plumbing, heating and air-conditioning contractors | 111 | 930 | 8.4 |
| Law offices | 110 | 308 | 2.8 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a West Yellowstone 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 West Yellowstone, 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Bozeman, MT metro area, 9 users on RingCentral RingEX Core come to $270.00 a month and on Ooma Office Pro $224.55, at month-to-month list prices checked September 28, 2026. On Callata the same 9 people cost $179.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $179.00 | $2,148.00 |
| Quo (Starter) | $19.00 per user | $171.00 | $2,052.00 |
| Nextiva (Core) | $23.00 per user | $207.00 | $2,484.00 |
| Ooma (Office Pro) | $24.95 per user | $224.55 | $2,694.60 |
| Dialpad (Standard) | $27.00 per user | $243.00 | $2,916.00 |
| RingCentral (RingEX Core) | $30.00 per user | $270.00 | $3,240.00 |
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 West Yellowstone, MT?
406. All exchanges NANPA lists for West Yellowstone are in 406.
How many phone companies have exchanges in West Yellowstone?
2, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing West Yellowstone 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 West Yellowstone?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 9 users come to $179.00 a month. For comparison, 9 users on RingCentral RingEX Core list at $270.00 a month (checked September 28, 2026).