CallataGuides

Get a local business phone number in Athens, TN

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

Area code
423
Exchanges
22NANPA-assigned
Carriers
7
Population
15,050Census 2024 est.

Area codes in Athens

Athens, in McMinn County, Tennessee, had a Census-estimated population of 15,050 in July 2024. All 22 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 Athens may carry any of those codes depending on which have numbers available. Athens 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 Athens, TN
Area codeExchanges hereShareIn service sinceOverlay withTime zone
42322100%1995729Eastern and Central

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

Who holds Athens phone exchanges

7 carriers hold the 22 exchanges assigned to Athens's rate center. Powertel Nashville Licenses, INC. has the most, with 9. 21 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Athens can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Athens, TN
Carrier (NANPA operating company)ExchangesShare
Powertel Nashville Licenses, INC.941%
Bellsouth Telecomm INC d/b/a South Central Bell Tel523%
Cellco Partnership d/b/a Verizon Wireless - TN29.1%
Onvoy, LLC - TN29.1%
Level 3 Communications, LLC - TN29.1%
Paetec Itel, LLC14.5%
New Cingular Wireless PCS, LLC - Ga14.5%

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 Athens

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Athens's rate center (ATHENS). The earliest assignment date recorded in the file for these codes is 2002. 2 of the 22 were assigned in 2020 or later.

Prefixes assigned in Athens, TN
Area codePrefixes (NXX)
423252, 333, 368, 370, 381, 395, 405, 435, 453, 466, 506, 507, 617, 649, 691, 717, 744, 745, 746, 856, 920, 999

Source: NANPA utilized central office code file.

When Athens's exchanges were assigned

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

Athens, TN: exchanges by decade assigned
Decade assignedExchangesShare
2000s220%
2010s660%
2020s220%

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

How local numbers work in Athens

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

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

The local business market

Athens is part of the Athens, TN micropolitan area, home to 70,691 people in 2024. County Business Patterns counted 1,044 business establishments in the Athens, TN micropolitan area in 2023, employing 18,995 people. The largest sectors by establishment count are retail trade (205), other services (except public administration) (136), and accommodation and food services (116).

Selected industries in the Athens, TN micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants4298623.5
Full-service restaurants3865317.2
Physician practices201829.1
Insurance agencies and brokerages18945.2
Dental offices161066.6
Landscaping services15——
Site preparation contractors1315411.8
Plumbing, heating and air-conditioning contractors1212810.7

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

Setting up a Athens 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 Athens, 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 Athens, TN micropolitan 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 Athens, TN?

423. All exchanges NANPA lists for Athens are in 423.

How many phone companies have exchanges in Athens?

7, holding 22 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Athens 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 Athens?

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).