Get a local business phone number in Shelby, MT

Area codes in Shelby

Shelby city is a Census place in Toole County, Montana, with an estimated 3,273 residents in 2024. All 7 exchanges NANPA lists for its rate center are in area code 406. Shelby 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.

Who holds Shelby phone exchanges

5 carriers hold the 7 exchanges assigned to Shelby's rate center. Cellco Partnership d/b/a Verizon Wireless - MT has the most, with 2. 7 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.

Local prefixes for Shelby

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Shelby. The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.

Rate centers and local calling in Shelby

NANPA ties every exchange to a rate center. For Shelby that is SHELBY, so a number from one of these exchanges reads as local to people in and around Shelby.

Keeping an existing Shelby number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 406 when you pick it.

Who does business near Shelby

Shelby is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 42,566 business establishments in Montana in 2023, employing 409,312 people. The largest sectors by establishment count are construction (6,766), retail trade (4,706), and health care and social assistance (4,488).

A Shelby number on Callata

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

If you already have a number in Shelby, 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.

A 10-person team is the benchmark here, the rounded average establishment size in Montana. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $300.00 a month and Ooma Office Pro $249.50. On Callata the same 10 people cost $199.00 a month, less than either per-seat plan.