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Get a local business phone number in Windom, MN

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

Area code
507
Exchanges
8NANPA-assigned
Carriers
6
Population
4,797Census 2024 est.

Windom area codes

Windom city is a Census place in Cottonwood County, Minnesota, with an estimated 4,797 residents in 2024. All 8 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 Windom may carry any of those codes depending on which have numbers available. Windom 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.

Area codes with exchanges in Windom, MN
Area codeExchanges hereShareIn service sinceOverlay withTime zone
5078100%1954924Central

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

Who holds Windom phone exchanges

6 carriers hold the 8 exchanges assigned to Windom's rate center. New Cingular Wireless PCS, LLC - Il has the most, with 2. 6 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.

Carriers holding exchanges in Windom, MN
Carrier (NANPA operating company)ExchangesShare
New Cingular Wireless PCS, LLC - Il225%
Cellco Partnership d/b/a Verizon Wireless - MN225%
Onvoy, LLC - MN113%
Aerial Communications, INC.113%
Qwest Corporation113%
City of Windom - MN113%

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.

Windom phone prefixes

These are the central office codes NANPA records for Windom. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. 1 of the 8 were assigned in 2020 or later.

Prefixes assigned in Windom, MN
Area codePrefixes (NXX)
507221, 303, 407, 783, 822, 830, 831, 832

Source: NANPA utilized central office code file.

When Windom's exchanges were assigned

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

Windom, MN: exchanges by decade assigned
Decade assignedExchangesShare
2000s480%
2020s120%

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

What makes a number local to Windom

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

New local numbers are drawn from carrier inventory, so the exact 507 numbers available change over time; porting an existing number is free.

The local business market

Windom is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 154,455 business establishments in Minnesota in 2023, employing 2,803,410 people. The largest sectors by establishment count are health care and social assistance (19,985), retail trade (17,727), and construction (17,568).

Selected industries in Minnesota, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants3,87987,23022.5
Limited-service restaurants3,84875,56419.6
Offices of real estate agents and brokers3,2476,3412.0
Insurance agencies and brokerages3,13116,0075.1
Residential remodelers2,9889,1253.1
Landscaping services2,39713,6965.7
Law offices2,05215,6637.6
Dental offices1,88417,6509.4

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

A Windom number on Callata

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.

Porting a number you already use in Windom 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 18 users, the rounded average establishment size in Minnesota. At list prices checked September 28, 2026, that is $449.10 a month on Ooma Office Pro and $540.00 on RingCentral RingEX Core. Callata comes to $359.00 a month for 18 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for an 18-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$359.00$4,308.00
Quo (Starter)$19.00 per user$342.00$4,104.00
Nextiva (Core)$23.00 per user$414.00$4,968.00
Ooma (Office Pro)$24.95 per user$449.10$5,389.20
Dialpad (Standard)$27.00 per user$486.00$5,832.00
RingCentral (RingEX Core)$30.00 per user$540.00$6,480.00

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 Windom, MN?

507. All exchanges NANPA lists for Windom are in 507.

How many phone companies have exchanges in Windom?

6, holding 8 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Windom 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 Windom?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 18 users come to $359.00 a month. For comparison, 18 users on RingCentral RingEX Core list at $540.00 a month (checked September 28, 2026).