CallataGuides

Business phone system for advertising agencies in Tennessee

203 advertising agencies operated in Tennessee in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
203CBP 2023
Employees
2,138mid-March 2023
Per 100k residents
2.8U.S. 4.6
State rank
22nd of 51by count

How many advertising agencies operate in Tennessee

The Census Bureau counted 203 advertising agencies in Tennessee in its 2023 County Business Patterns (NAICS 541810). They employed 2,138 people in mid-March and reported $200.0 million in annual payroll. That is the 22nd highest count among the 51 states and DC with published figures. Advertising agencies make up 0.14% of the 150,129 business establishments in the state.

Per 100,000 residents (2024 estimate) Tennessee has 2.8 advertising agencies, 38.4% below the national rate of 4.6. The average establishment has 10.5 employees against 12.9 nationally. Payroll per employee is $93,532, 12.5% below the U.S. figure of $106,841.

Advertising agencies: Tennessee compared with the U.S., 2023
MeasureTennesseeUnited States
Establishments20315,512
Mid-March employees2,138200,465
Annual payroll$199,971,000$21,417,972,000
Employees per establishment10.512.9
Payroll per employee$93,532$106,841
Establishments per 100,000 residents2.84.6

Census County Business Patterns 2023 (mid-March employment; annual payroll). Employees and payroll flagged high-noise are shown but not used in the text. Residents: Census Vintage 2024 estimates.

Advertising agencies by metro area in Tennessee

Census published advertising agency counts for 8 metro or micropolitan areas that include part of Tennessee. The largest is Nashville, TN, with 102 establishments. Single-state metro and micropolitan areas account for 67% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Advertising agencies by metro or micropolitan area, Tennessee, 2023
AreaEstablishmentsEmployeesPer 100k residents
Nashville, TN1029694.7
Memphis, TN-MS-AR292722.2
Knoxville, TN256022.6
Chattanooga, TN-GA201563.4
Kingsport, TN-VA7402.2
Cookeville, TN4—2.7
Johnson City, TN3—1.4
Sevierville, TN3—3.0

Source: Census County Business Patterns 2023; population from Census Vintage 2024 estimates.

Team sizes at advertising agencies in Tennessee

63.5% of Tennessee's advertising agencies with employees had fewer than five people in March 2023, compared with 68.2% nationally. 80.5% had fewer than ten. At that size the phone is shared, so routing (who rings, when, and what happens after hours) matters more than the number of desk phones.

Advertising agencies in Tennessee by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees12763.5%68.2%
5–9 employees3417.0%12.0%
10–19 employees199.5%8.4%
20–49 employees157.5%6.4%
50 or more employees52.5%5.0%

Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.

Why the phone matters for advertising agencies in Tennessee

Agencies manage many client relationships at once, and clients expect to reach their account team quickly. Recording and summarizing calls helps teams keep track of approvals and requests.

Typical inbound and outbound calls for advertising agencies in Tennessee:

Business texting for advertising agencies

Agencies text approvals and schedule changes.

Texting from a local number in Tennessee requires carrier registration (10DLC), a one-time $49 fee on Callata.

What a phone system costs an advertising agency in Tennessee

Advertising agencies in Tennessee average 10.5 employees, so the comparison uses an 11-person team. On a per-user plan that headcount sets the bill: $274.45 a month on Ooma Office Pro or $330.00 on RingCentral RingEX Core at list price (checked September 28, 2026). Callata comes to $219.00 a month for 11 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $1,332 less than RingCentral for an advertising agency in Tennessee of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for an 11-person advertising agency
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$219.00$2,628.00
Quo (Starter)$19.00 per user$209.00$2,508.00
Nextiva (Core)$23.00 per user$253.00$3,036.00
Ooma (Office Pro)$24.95 per user$274.45$3,293.40
Dialpad (Standard)$27.00 per user$297.00$3,564.00
RingCentral (RingEX Core)$30.00 per user$330.00$3,960.00

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.

Area codes in Tennessee

Tennessee has 8 geographic area codes in service according to NANPA. Callata includes up to 3 local numbers, so an advertising agency can hold a number in more than one of them.

Area codes in Tennessee by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
615781Central1954629
423764Eastern and Central1995729
901616Central1947none
931538Eastern and Central1997none
865506Eastern1999none
731395Central2001none
629197Central2015615
7290Eastern and Central2025423

Exchanges are NANPA-assigned central office codes (NPA-NXX) in the rate centers matched to the area's named places. Source: NANPA utilized code and NPA reports.

How Callata works for advertising agencies in Tennessee

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 Tennessee 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.

Frequently asked questions

How many advertising agencies are in Tennessee?

203 in 2023, according to Census County Business Patterns. They employed 2,138 people in mid-March.

Which Tennessee metro area has the most advertising agencies?

Nashville, TN, with 102 establishments in 2023.

What does a phone system cost an 11-person advertising agency?

$330.00 a month on RingCentral RingEX Core or $274.45 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $219.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

Do I need to register to text customers from a Tennessee number?

Yes. US carriers require business texting from local numbers to be registered (10DLC). On Callata the registration is a one-time $49 fee, and texting turns on once it is approved.