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Get a local business phone number in Kernersville, NC

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

Area code
336 / 743
Exchanges
12NANPA-assigned
Carriers
8
Population
28,760Census 2024 est.

Kernersville area codes

Kernersville, in Forsyth County, North Carolina, had a Census-estimated population of 28,760 in July 2024. NANPA lists 12 exchanges for its rate center across 2 area codes; 336 has the most (11, 92%). 336 is part of an overlay with 743, so a new local number in Kernersville may carry any of those codes depending on which have numbers available. Kernersville is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 336 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Kernersville, NC
Area codeExchanges hereShareIn service sinceOverlay withTime zone
3361192%1997743Eastern
74318.3%2016336Eastern

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

Phone carriers in Kernersville

8 carriers hold the 12 exchanges assigned to Kernersville's rate center. Brightspeed of Eastern North Carolina, LLC has the most, with 3. 9 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 Kernersville, NC
Carrier (NANPA operating company)ExchangesShare
Brightspeed of Eastern North Carolina, LLC325%
Paetec Itel, LLC217%
Bandwidth.com CLEC, LLC - NC217%
Centurylink Communications LLC - NC18.3%
Level 3 Telecom of North Carolina, LP - NC18.3%
Onvoy, LLC - NC18.3%
Level 3 Communications, LLC - NC18.3%
Ton80 Communications, LLC18.3%

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 Kernersville

These are the central office codes NANPA records for Kernersville. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2011. 2 of the 12 were assigned in 2020 or later.

Prefixes assigned in Kernersville, NC
Area codePrefixes (NXX)
336310, 423, 497, 515, 564, 704, 904, 967, 992, 993, 996
743762

Source: NANPA utilized central office code file.

When Kernersville's exchanges were assigned

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

Kernersville, NC: exchanges by decade assigned
Decade assignedExchangesShare
2010s360%
2020s240%

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

What makes a number local to Kernersville

NANPA ties every exchange to a rate center. For Kernersville that is KERNERSVL, so a number from one of these exchanges reads as local to people in and around Kernersville.

Keeping an existing Kernersville number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 336 when you pick it.

Businesses around Kernersville

Kernersville is part of the Winston-Salem, NC metro area, home to 705,000 people in 2024. County Business Patterns counted 14,336 business establishments in the Winston, NC metro area in 2023, employing 257,305 people. The largest sectors by establishment count are retail trade (2,198), construction (1,692), and other services (except public administration) (1,592).

Selected industries in the Winston, NC metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants51110,39920.4
Limited-service restaurants49112,50525.5
Landscaping services3201,5464.8
Offices of real estate agents and brokers2765532.0
Insurance agencies and brokerages2669733.7
Plumbing, heating and air-conditioning contractors2522,62410.4
Residential remodelers2315832.5
Law offices2281,7997.9

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

Setting up a Kernersville business line

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

If you already have a number in Kernersville, 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.

An 18-person team is the benchmark here, the rounded average establishment size in the Winston, NC metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $540.00 a month and Ooma Office Pro $449.10. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.

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 Kernersville, NC?

Kernersville has exchanges in 336 and 743; 336 has the most.

How many phone companies have exchanges in Kernersville?

8, holding 12 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Kernersville 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 Kernersville?

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).