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Get a local business phone number in Redgranite, WI

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

Area code
920
Exchanges
2NANPA-assigned
Carriers
2
Population
2,123Census 2024 est.

Area codes in Redgranite

Redgranite village is a Census place in Waushara County, Wisconsin, with an estimated 2,123 residents in 2024. All 2 exchanges NANPA lists for its rate center are in area code 920. 920 is part of an overlay with 274, so a new local number in Redgranite may carry any of those codes depending on which have numbers available. Redgranite is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 920 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Redgranite, WI
Area codeExchanges hereShareIn service sinceOverlay withTime zone
9202100%1997274Central

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

Redgranite exchanges by carrier

2 carriers hold the 2 exchanges assigned to Redgranite's rate center. Brightspeed of North Central Wisconsin, LLC has the most, with 1. 2 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 Redgranite, WI
Carrier (NANPA operating company)ExchangesShare
Brightspeed of North Central Wisconsin, LLC150%
Ton80 Communications, LLC150%

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 Redgranite

These are the central office codes NANPA records for Redgranite. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2022. 1 of the 2 were assigned in 2020 or later.

Prefixes assigned in Redgranite, WI
Area codePrefixes (NXX)
920566, 752

Source: NANPA utilized central office code file.

What makes a number local to Redgranite

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

Keeping an existing Redgranite number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 920 when you pick it.

The local business market

Redgranite is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 144,774 business establishments in Wisconsin in 2023, employing 2,642,958 people. The largest sectors by establishment count are retail trade (18,044), health care and social assistance (17,592), and accommodation and food services (15,530).

Selected industries in Wisconsin, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants4,98887,04417.5
Limited-service restaurants3,92576,59619.5
Physician practices3,10763,01520.3
Drinking places2,73918,2066.6
Insurance agencies and brokerages2,58712,1204.7
Landscaping services2,49013,6415.5
Residential remodelers2,1428,1733.8
Offices of real estate agents and brokers2,0715,2152.5

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

A Redgranite 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 Redgranite 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 Wisconsin, 18 users on RingCentral RingEX Core come to $540.00 a month and on Ooma Office Pro $449.10, at month-to-month list prices checked September 28, 2026. 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 Redgranite, WI?

920. All exchanges NANPA lists for Redgranite are in 920.

How many phone companies have exchanges in Redgranite?

2, holding 2 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Redgranite 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 Redgranite?

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).