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Get a local business phone number in Barnwell, SC

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

Area code
839 / 803
Exchanges
31NANPA-assigned
Carriers
8
Population
4,589Census 2024 est.

Area codes in Barnwell

Barnwell, in Barnwell County, South Carolina, had a Census-estimated population of 4,589 in July 2024. NANPA lists 31 exchanges for its rate center across 2 area codes; 839 has the most (16, 52%). 839 is part of an overlay with 803, so a new local number in Barnwell may carry any of those codes depending on which have numbers available. Barnwell is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 839 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Barnwell, SC
Area codeExchanges hereShareIn service sinceOverlay withTime zone
8391652%2020803Eastern
8031548%1947839Eastern

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

Phone carriers in Barnwell

8 carriers hold the 31 exchanges assigned to Barnwell's rate center. New Cingular Wireless PCS, LLC - Ga has the most, with 20. 27 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Barnwell can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Barnwell, SC
Carrier (NANPA operating company)ExchangesShare
New Cingular Wireless PCS, LLC - Ga2065%
Bellsouth Telecomm INC d/b/a Southern Bell Tel & Tel39.7%
Onvoy, LLC - SC39.7%
Cellco Partnership d/b/a Verizon Wireless - SC13.2%
Paetec Itel, LLC13.2%
IDT America, Corp. - SC13.2%
Palmetto Telephone Communications, LLC - SC13.2%
Ton80 Communications, LLC13.2%

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 Barnwell

These are the central office codes NANPA records for Barnwell. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 20 of the 31 were assigned in 2020 or later.

Prefixes assigned in Barnwell, SC
Area codePrefixes (NXX)
803224, 259, 300, 301, 450, 541, 571, 591, 621, 671, 709, 868, 918, 946, 963
839208, 233, 242, 245, 259, 267, 276, 279, 289, 296, 303, 309, 312, 315, 316, 569

Source: NANPA utilized central office code file.

When Barnwell's exchanges were assigned

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

Barnwell, SC: exchanges by decade assigned
Decade assignedExchangesShare
2000s519%
2010s13.8%
2020s2077%

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

What makes a number local to Barnwell

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

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

The local business market

Barnwell is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 122,958 business establishments in South Carolina in 2023, employing 2,067,143 people. The largest sectors by establishment count are retail trade (18,647), other services (except public administration) (12,908), and health care and social assistance (12,694).

Selected industries in South Carolina, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants4,58398,94621.6
Limited-service restaurants4,22788,11520.8
Offices of real estate agents and brokers3,3377,0972.1
Law offices2,59016,2646.3
Physician practices2,46439,08715.9
Insurance agencies and brokerages2,0429,7374.8
Landscaping services1,91013,3837.0
Dental offices1,75814,6018.3

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

Business phone service in Barnwell

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 Barnwell 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.

A 17-person team is the benchmark here, the rounded average establishment size in South Carolina. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. 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 Barnwell, SC?

Barnwell has exchanges in 839 and 803; 839 has the most.

How many phone companies have exchanges in Barnwell?

8, holding 31 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Barnwell 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 Barnwell?

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).