Get a local business phone number in Billings, MT

Billings area codes

Billings city is a Census place in Yellowstone County, Montana, with an estimated 121,483 residents in 2024. All 72 exchanges NANPA lists for its rate center are in area code 406. Billings 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.

Billings exchanges by carrier

29 carriers hold the 72 exchanges assigned to Billings's rate center. Qwest Corporation has the most, with 18. 44 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.

Exchanges (NPA-NXX) assigned in Billings

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Billings's rate center (BILLINGS). The earliest assignment date recorded in the file for these codes is 2001. 5 of the 72 were assigned in 2020 or later.

When Billings's exchanges were assigned

The table groups Billings's exchanges by the decade NANPA recorded them as assigned.

Rate centers and local calling in Billings

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Billings's numbers are rated to the BILLINGS rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Billings number.

If your business already has a Billings number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Businesses around Billings

Billings is part of the Billings, MT metro area, home to 193,000 people in 2024. County Business Patterns counted 6,797 business establishments in the Billings, MT metro area in 2023, employing 81,031 people. The largest sectors by establishment count are construction (935), retail trade (778), and health care and social assistance (748).

A Billings number on Callata

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Billings is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Billings, MT metro area, 12 users on RingCentral RingEX Core come to $360.00 a month and on Ooma Office Pro $299.40, at month-to-month list prices checked September 28, 2026. Callata comes to $239.00 a month for 12 users ($99 a month with 5 users included, then $20 per additional user), below both.