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.
| Measure | Tennessee | United States |
|---|---|---|
| Establishments | 203 | 15,512 |
| Mid-March employees | 2,138 | 200,465 |
| Annual payroll | $199,971,000 | $21,417,972,000 |
| Employees per establishment | 10.5 | 12.9 |
| Payroll per employee | $93,532 | $106,841 |
| Establishments per 100,000 residents | 2.8 | 4.6 |
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.
| Area | Establishments | Employees | Per 100k residents |
|---|---|---|---|
| Nashville, TN | 102 | 969 | 4.7 |
| Memphis, TN-MS-AR | 29 | 272 | 2.2 |
| Knoxville, TN | 25 | 602 | 2.6 |
| Chattanooga, TN-GA | 20 | 156 | 3.4 |
| Kingsport, TN-VA | 7 | 40 | 2.2 |
| Cookeville, TN | 4 | — | 2.7 |
| Johnson City, TN | 3 | — | 1.4 |
| Sevierville, TN | 3 | — | 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.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 127 | 63.5% | 68.2% |
| 5–9 employees | 34 | 17.0% | 12.0% |
| 10–19 employees | 19 | 9.5% | 8.4% |
| 20–49 employees | 15 | 7.5% | 6.4% |
| 50 or more employees | 5 | 2.5% | 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:
- A client calls to change a campaign budget.
- The agency calls a client to review creative.
- A prospect calls about agency services.
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.
| Provider (plan) | Pricing basis | Per month | Per 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 code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 615 | 781 | Central | 1954 | 629 |
| 423 | 764 | Eastern and Central | 1995 | 729 |
| 901 | 616 | Central | 1947 | none |
| 931 | 538 | Eastern and Central | 1997 | none |
| 865 | 506 | Eastern | 1999 | none |
| 731 | 395 | Central | 2001 | none |
| 629 | 197 | Central | 2015 | 615 |
| 729 | 0 | Eastern and Central | 2025 | 423 |
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.