Get a local business phone number in Jellico, TN
Jellico's area code, prefixes and carriers from NANPA records, and how to put a Jellico number in front of your customers.
- Area code
- 423
- Exchanges
- 5NANPA-assigned
- Carriers
- 4
- Population
- 2,122Census 2024 est.
What area code is Jellico, TN?
With 2,122 residents in the Census 2024 estimate, Jellico sits in Campbell County, Tennessee. All 5 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 Jellico may carry any of those codes depending on which have numbers available. Jellico 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 code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 423 | 5 | 100% | 1995 | 729 | Eastern and Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Who holds Jellico phone exchanges
4 carriers hold the 5 exchanges assigned to Jellico's rate center. Level 3 Communications, LLC - TN has the most, with 2. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Level 3 Communications, LLC - TN | 2 | 40% |
| Bellsouth Telecomm INC d/b/a South Central Bell Tel | 1 | 20% |
| Onvoy, LLC - TN | 1 | 20% |
| Commio, LLC | 1 | 20% |
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.
Jellico phone prefixes
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Jellico's rate center (JELLICO). The earliest assignment date recorded in the file for these codes is 2002. 1 of the 5 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 423 | 372, 455, 784, 818, 998 |
Source: NANPA utilized central office code file.
When Jellico's exchanges were assigned
The table groups Jellico's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 33% |
| 2010s | 1 | 33% |
| 2020s | 1 | 33% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Jellico
NANPA ties every exchange to a rate center. For Jellico that is JELLICO, so a number from one of these exchanges reads as local to people in and around Jellico.
Keeping an existing Jellico 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 Jellico
Jellico is part of the Knoxville, TN metro area, home to 958,000 people in 2024. County Business Patterns counted 19,652 business establishments in the Knoxville, TN metro area in 2023, employing 385,052 people. The largest sectors by establishment count are retail trade (2,994), health care and social assistance (2,352), and other services (except public administration) (2,154).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 728 | 17,042 | 23.4 |
| Physician practices | 590 | 9,011 | 15.3 |
| Full-service restaurants | 578 | 16,572 | 28.7 |
| Insurance agencies and brokerages | 340 | 2,058 | 6.1 |
| Law offices | 314 | 1,748 | 5.6 |
| Landscaping services | 312 | 2,557 | 8.2 |
| Dental offices | 304 | 2,436 | 8.0 |
| Plumbing, heating and air-conditioning contractors | 275 | 3,649 | 13.3 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Jellico business line
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 Jellico 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 20-person team is the benchmark here, the rounded average establishment size in the Knoxville, TN metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $600.00 a month and Ooma Office Pro $499.00. Callata comes to $399.00 a month for 20 users ($99 a month with 5 users included, then $20 per additional user), below both.
| Provider (plan) | Pricing basis | Per month | Per 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 Jellico, TN?
423. All exchanges NANPA lists for Jellico are in 423.
How many phone companies have exchanges in Jellico?
4, holding 5 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Jellico 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 Jellico?
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).