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 code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 608 | 10 | 100% | 1955 | 353 | Central |
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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| United States Cellular - Wi | 2 | 20% |
| Brightspeed of Western Wisconsin, LLC | 2 | 20% |
| Cellco Partnership d/b/a Verizon Wireless - Wi | 2 | 20% |
| T-mobile USA, INC. | 2 | 20% |
| Metropcs, INC. | 1 | 10% |
| Onvoy, LLC - Wi | 1 | 10% |
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.
| Area code | Prefixes (NXX) |
|---|---|
| 608 | 315, 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.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 2 | 50% |
| 2020s | 2 | 50% |
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).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Drinking places | 37 | 208 | 5.6 |
| Full-service restaurants | 34 | 346 | 10.2 |
| Limited-service restaurants | 25 | 657 | 26.3 |
| Hotels and motels | 21 | 201 | 9.6 |
| Insurance agencies and brokerages | 20 | 61 | 3.0 |
| Plumbing, heating and air-conditioning contractors | 19 | 108 | 5.7 |
| Law offices | 13 | — | — |
| Electrical contractors | 13 | — | — |
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.
| Provider (plan) | Pricing basis | Per month | Per 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).