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Get a local business phone number in Tomah, WI

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

Area code
608
Exchanges
10NANPA-assigned
Carriers
6
Population
9,574Census 2024 est.

Area codes in Tomah

Tomah city is a Census place in Monroe County, Wisconsin, with an estimated 9,574 residents in 2024. All 10 exchanges NANPA lists for its rate center are in area code 608. 608 is part of an overlay with 353, so a new local number in Tomah may carry any of those codes depending on which have numbers available. Tomah is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 608 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Tomah, WI
Area codeExchanges hereShareIn service sinceOverlay withTime zone
60810100%1955353Central

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

Tomah exchanges by carrier

6 carriers hold the 10 exchanges assigned to Tomah's rate center. United States Cellular - Wi has the most, with 2. 8 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 Tomah, WI
Carrier (NANPA operating company)ExchangesShare
United States Cellular - Wi220%
Brightspeed of Western Wisconsin, LLC220%
Cellco Partnership d/b/a Verizon Wireless - Wi220%
T-mobile USA, INC.220%
Metropcs, INC.110%
Onvoy, LLC - Wi110%

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.

Exchanges (NPA-NXX) assigned in Tomah

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Tomah. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 10 were assigned in 2020 or later.

Prefixes assigned in Tomah, WI
Area codePrefixes (NXX)
608315, 343, 344, 372, 374, 377, 387, 567, 706, 928

Source: NANPA utilized central office code file.

When Tomah's exchanges were assigned

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

Tomah, WI: exchanges by decade assigned
Decade assignedExchangesShare
2000s250%
2020s250%

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

How local numbers work in Tomah

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

New local numbers are drawn from carrier inventory, so the exact 608 numbers available change over time; porting an existing number is free.

Who does business near Tomah

Tomah is part of the Sparta, WI micropolitan area, home to 46,370 people in 2024. County Business Patterns counted 967 business establishments in the Sparta, WI micropolitan area in 2023, employing 16,790 people. The largest sectors by establishment count are retail trade (134), accommodation and food services (134), and construction (102).

Selected industries in the Sparta, WI micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Drinking places372085.6
Full-service restaurants3434610.2
Limited-service restaurants2565726.3
Hotels and motels212019.6
Insurance agencies and brokerages20613.0
Plumbing, heating and air-conditioning contractors191085.7
Law offices13——
Electrical contractors13——

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

Business phone service in Tomah

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 Tomah 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 Sparta, WI micropolitan area, 17 users on RingCentral RingEX Core come to $510.00 a month and on Ooma Office Pro $424.15, at month-to-month list prices checked September 28, 2026. Callata comes to $339.00 a month for 17 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 17-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$339.00$4,068.00
Quo (Starter)$19.00 per user$323.00$3,876.00
Nextiva (Core)$23.00 per user$391.00$4,692.00
Ooma (Office Pro)$24.95 per user$424.15$5,089.80
Dialpad (Standard)$27.00 per user$459.00$5,508.00
RingCentral (RingEX Core)$30.00 per user$510.00$6,120.00

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 Tomah, WI?

608. All exchanges NANPA lists for Tomah are in 608.

How many phone companies have exchanges in Tomah?

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

Can I keep my existing Tomah 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 Tomah?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).