Get a local business phone number in Fairmont, MN

Area codes in Fairmont

Fairmont, in Martin County, Minnesota, had a Census-estimated population of 10,176 in July 2024. All 10 exchanges NANPA lists for its rate center are in area code 507. 507 is part of an overlay with 924, so a new local number in Fairmont may carry any of those codes depending on which have numbers available. Fairmont is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 507 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Phone carriers in Fairmont

5 carriers hold the 10 exchanges assigned to Fairmont's rate center. Cellco Partnership d/b/a Verizon Wireless - MN has the most, with 3. 7 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Fairmont can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Fairmont

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Fairmont. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 10 were assigned in 2020 or later.

When Fairmont's exchanges were assigned

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

What makes a number local to Fairmont

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

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

The local business market

Fairmont is part of the Fairmont, MN micropolitan area, home to 19,561 people in 2024. County Business Patterns counted 597 business establishments in the Fairmont, MN micropolitan area in 2023, employing 7,402 people. The largest sectors by establishment count are health care and social assistance (85), retail trade (84), and other services (except public administration) (68).

Business phone service in Fairmont

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.

Porting a number you already use in Fairmont 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.

The comparison below uses 12 users, the rounded average establishment size in the Fairmont, MN micropolitan area. At list prices checked September 28, 2026, that is $299.40 a month on Ooma Office Pro and $360.00 on RingCentral RingEX Core. Callata comes to $239.00 a month for 12 users ($99 a month with 5 users included, then $20 per additional user), below both.