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Get a local business phone number in Somerset, OH

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

Area code
740 / 220
Exchanges
4NANPA-assigned
Carriers
4
Population
1,483Census 2024 est.

What area code is Somerset, OH?

With 1,483 residents in the Census 2024 estimate, Somerset sits in Perry County, Ohio. NANPA lists 4 exchanges for its rate center across 2 area codes; 740 has the most (3, 75%). 740 is part of an overlay with 220, so a new local number in Somerset may carry any of those codes depending on which have numbers available. Somerset is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 740 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Somerset, OH
Area codeExchanges hereShareIn service sinceOverlay withTime zone
740375%1997220Eastern
220125%2015740Eastern

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

Who holds Somerset phone exchanges

4 carriers hold the 4 exchanges assigned to Somerset's rate center. AT&T - Local has the most, with 1. 4 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 Somerset, OH
Carrier (NANPA operating company)ExchangesShare
AT&T - Local125%
Ohio Bell Tel CO125%
Level 3 Communications, LLC - Oh125%
Onvoy, LLC - Oh125%

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.

Local prefixes for Somerset

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Somerset. The earliest assignment date recorded in the file for these codes is 2002. 1 of the 4 were assigned in 2020 or later.

Prefixes assigned in Somerset, OH
Area codePrefixes (NXX)
220678
740743, 836, 900

Source: NANPA utilized central office code file.

When Somerset's exchanges were assigned

Assignment dates show when each block of Somerset numbers was added to the local supply.

Somerset, OH: exchanges by decade assigned
Decade assignedExchangesShare
2000s133%
2010s133%
2020s133%

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

Rate centers and local calling in Somerset

What a caller sees as "local" is the area code plus prefix. In Somerset, those come from the SOMERSET rate center, as recorded by NANPA.

Keeping an existing Somerset number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 740 when you pick it.

Who does business near Somerset

Somerset is part of the Columbus, OH metro area, home to 2.2 million people in 2024. County Business Patterns counted 46,419 business establishments in the Columbus, OH metro area in 2023, employing 985,064 people. The largest sectors by establishment count are health care and social assistance (6,208), retail trade (5,594), and professional, scientific, and technical services (5,419).

Selected industries in the Columbus, OH metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants1,93239,78920.6
Full-service restaurants1,39937,47126.8
Physician practices1,05520,92319.8
Offices of real estate agents and brokers9322,6542.8
Law offices8366,2897.5
Dental offices8017,0228.8
Insurance agencies and brokerages7765,7537.4
Child day care services70010,03714.3

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

Setting up a Somerset business line

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

If you already have a number in Somerset, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

A 21-person team is the benchmark here, the rounded average establishment size in the Columbus, OH metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $630.00 a month and Ooma Office Pro $523.95. On Callata the same 21 people cost $419.00 a month, less than either per-seat plan.

Monthly list price for a 21-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$419.00$5,028.00
Quo (Starter)$19.00 per user$399.00$4,788.00
Nextiva (Core)$23.00 per user$483.00$5,796.00
Ooma (Office Pro)$24.95 per user$523.95$6,287.40
Dialpad (Standard)$27.00 per user$567.00$6,804.00
RingCentral (RingEX Core)$30.00 per user$630.00$7,560.00

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 Somerset, OH?

Somerset has exchanges in 740 and 220; 740 has the most.

How many phone companies have exchanges in Somerset?

4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Somerset 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 Somerset?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 21 users come to $419.00 a month. For comparison, 21 users on RingCentral RingEX Core list at $630.00 a month (checked September 28, 2026).