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Get a local business phone number in New Tazewell, TN

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

Area code
423
Exchanges
6NANPA-assigned
Carriers
4
Population
2,824Census 2024 est.

Area codes in New Tazewell

With 2,824 residents in the Census 2024 estimate, New Tazewell sits in Claiborne County, Tennessee. All 6 exchanges NANPA lists for its rate center are in area code 423. 423 is part of an overlay with 729, so a new local number in New Tazewell may carry any of those codes depending on which have numbers available. New Tazewell is in the Eastern and Central time zone.

According to NANPA's dialing-plan data, local calls within 423 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in New Tazewell, TN
Area codeExchanges hereShareIn service sinceOverlay withTime zone
4236100%1995729Eastern and Central

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

Phone carriers in New Tazewell

4 carriers hold the 6 exchanges assigned to New Tazewell's rate center. Brightspeed of Eastern Tennessee, LLC has the most, with 3. 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 New Tazewell, TN
Carrier (NANPA operating company)ExchangesShare
Brightspeed of Eastern Tennessee, LLC350%
United States Cellular - TN117%
Charter Ip Enabled Services, LLC117%
Onvoy, LLC - TN117%

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 New Tazewell

These are the central office codes NANPA records for New Tazewell. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2004. 1 of the 6 were assigned in 2020 or later.

Prefixes assigned in New Tazewell, TN
Area codePrefixes (NXX)
423259, 526, 626, 731, 851, 919

Source: NANPA utilized central office code file.

When New Tazewell's exchanges were assigned

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

New Tazewell, TN: 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 New Tazewell

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

Keeping an existing New Tazewell number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 423 when you pick it.

Who does business near New Tazewell

New Tazewell is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 150,129 business establishments in Tennessee in 2023, employing 2,971,417 people. The largest sectors by establishment count are retail trade (23,463), health care and social assistance (17,524), and other services (except public administration) (15,554).

Selected industries in Tennessee, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants5,735124,26821.7
Full-service restaurants4,962121,24624.4
Physician practices4,29182,33519.2
Insurance agencies and brokerages2,56514,3375.6
Law offices2,26013,5236.0
Dental offices2,22518,5588.3
Landscaping services1,99115,5857.8
Plumbing, heating and air-conditioning contractors1,89925,24813.3

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

Setting up a New Tazewell 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 New Tazewell, 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.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in Tennessee, 20 users on RingCentral RingEX Core come to $600.00 a month and on Ooma Office Pro $499.00, at month-to-month list prices checked September 28, 2026. On Callata the same 20 people cost $399.00 a month, less than either per-seat plan.

Monthly list price for a 20-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$399.00$4,788.00
Quo (Starter)$19.00 per user$380.00$4,560.00
Nextiva (Core)$23.00 per user$460.00$5,520.00
Ooma (Office Pro)$24.95 per user$499.00$5,988.00
Dialpad (Standard)$27.00 per user$540.00$6,480.00
RingCentral (RingEX Core)$30.00 per user$600.00$7,200.00

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 New Tazewell, TN?

423. All exchanges NANPA lists for New Tazewell are in 423.

How many phone companies have exchanges in New Tazewell?

4, holding 6 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing New Tazewell 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 New Tazewell?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 20 users come to $399.00 a month. For comparison, 20 users on RingCentral RingEX Core list at $600.00 a month (checked September 28, 2026).