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Get a local business phone number in Holton, MI

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

Area code
231
Exchanges
3NANPA-assigned
Carriers
3
Population
2,665Census 2024 est.

Holton area codes

Holton township is a Census town in Muskegon County, Michigan, with an estimated 2,665 residents in 2024. All 3 exchanges NANPA lists for its rate center are in area code 231. Holton is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 231 are dialed as seven digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Holton, MI
Area codeExchanges hereShareIn service sinceOverlay withTime zone
2313100%1999noneEastern

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

Holton exchanges by carrier

3 carriers hold the 3 exchanges assigned to Holton's rate center. Onvoy, Llcv - Mi has the most, with 1. 3 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Carriers holding exchanges in Holton, MI
Carrier (NANPA operating company)ExchangesShare
Onvoy, Llcv - Mi133%
Charter Ip Enabled Services, LLC133%
Frontier North, INC. - Mi133%

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 Holton

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Holton's rate center (HOLTON). The earliest assignment date recorded in the file for these codes is 2015. 1 of the 3 were assigned in 2020 or later.

Prefixes assigned in Holton, MI
Area codePrefixes (NXX)
231447, 453, 821

Source: NANPA utilized central office code file.

When Holton's exchanges were assigned

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

Holton, MI: exchanges by decade assigned
Decade assignedExchangesShare
2010s150%
2020s150%

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

What makes a number local to Holton

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

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

The local business market

Holton is part of the Muskegon-Norton Shores, MI metro area, home to 177,000 people in 2024. County Business Patterns counted 3,147 business establishments in the Muskegon, MI metro area in 2023, employing 51,826 people. The largest sectors by establishment count are retail trade (523), health care and social assistance (408), and other services (except public administration) (378).

Selected industries in the Muskegon, MI metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants1292,33318.1
Full-service restaurants1042,28722.0
Dental offices555199.4
Physician practices531,16822.0
Residential remodelers49——
Landscaping services461844.0
Plumbing, heating and air-conditioning contractors424089.7
Insurance agencies and brokerages411984.8

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

Business phone service in Holton

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 Holton 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 16 users, the rounded average establishment size in the Muskegon, MI metro area. At list prices checked September 28, 2026, that is $399.20 a month on Ooma Office Pro and $480.00 on RingCentral RingEX Core. Callata comes to $319.00 a month for 16 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 16-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$319.00$3,828.00
Quo (Starter)$19.00 per user$304.00$3,648.00
Nextiva (Core)$23.00 per user$368.00$4,416.00
Ooma (Office Pro)$24.95 per user$399.20$4,790.40
Dialpad (Standard)$27.00 per user$432.00$5,184.00
RingCentral (RingEX Core)$30.00 per user$480.00$5,760.00

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 Holton, MI?

231. All exchanges NANPA lists for Holton are in 231.

How many phone companies have exchanges in Holton?

3, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Holton 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 Holton?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 16 users come to $319.00 a month. For comparison, 16 users on RingCentral RingEX Core list at $480.00 a month (checked September 28, 2026).