CallataGuidesBusiness phone system for testing laboratories in Nashville, TN
Testing laboratories in the Nashville-Davidson--Murfreesboro--Franklin, TN metro area: 33 establishments in 2023, the local area codes, and what phone service costs a 44-person team.
- Establishments
- 33CBP 2023
- Employees
- 1,465mid-March 2023
- Per 100k residents
- 1.5U.S. 2.2
- Rank
- 47th of 339areas by count
The testing laboratory market in Nashville, TN
County Business Patterns counts 33 testing laboratories (NAICS 541380, Testing Laboratories) in the Nashville-Davidson--Murfreesboro--Franklin, TN metro area for 2023. Together they reported 1,465 mid-March employees and $111.9 million of payroll for the year. That ranks 47th of the 339 metro and micropolitan areas where Census published a count for this industry.
With 2.2 million residents in the Census 2024 estimate, that is 1.5 testing laboratories per 100,000 people, 30.1% below the national rate of 2.2. Establishments average 44.4 employees, 109.3% above the U.S. average of 21.2. Payroll per employee comes to $76,367, in line with the national $75,284.
| Measure | Nashville, TN | Tennessee | United States |
|---|---|---|---|
| Establishments | 33 | 98 | 7,463 |
| Mid-March employees | 1,465 (moderate noise) | 2,867 | 158,265 |
| Annual payroll | $111,877,000 | $195,392,000 | $11,914,875,000 |
| Employees per establishment | 44.4 | 29.3 | 21.2 |
| Payroll per employee | $76,367 | $68,152 | $75,284 |
| Establishments per 100,000 residents | 1.5 | 1.4 | 2.2 |
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.
Establishment size: testing laboratories in Nashville, TN
Of the testing laboratories in Nashville, TN that had employees in March 2023, 40.7% had fewer than five (the U.S. share is 42.7%). 66.7% had fewer than ten. When a business has only a few people, whoever is free answers the phone, and calls that arrive while everyone is busy go to voicemail unless they are routed somewhere else.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 11 | 40.7% | 42.7% |
| 5–9 employees | 7 | 25.9% | 18.9% |
| 10–19 employees | 5 | 18.5% | 17.1% |
| 20–49 employees | 4 | 14.8% | 12.8% |
| 50 or more employees | 0 | 0.0% | 8.6% |
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.
What testing laboratories in Nashville, TN use the phone for
Testing labs serve contractors, manufacturers and property owners who need results on a schedule. Calls about sample drop-off, turnaround and results need quick routing.
Typical inbound and outbound calls for testing laboratories in Nashville, TN:
- A client calls about results.
- A homeowner calls about water testing.
- The lab calls a client about a sample issue.
Calls after closing time
After-hours calls are mostly routine.
Business-hours routing in Callata sends calls to voicemail, a teammate's cell or an AI agent once the day ends, and voicemails arrive transcribed with an urgency flag.
Callata vs. per-seat pricing for testing laboratories in Nashville, TN
The average testing laboratory in Nashville, TN has 44.4 employees, so a 44-person team is a reasonable benchmark. Priced per seat, 44 users would run $1,320.00 a month on RingCentral RingEX Core and $1,097.80 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). On Callata the same 44 people cost $879.00 a month, less than either per-seat plan.
The annual difference against RingCentral's monthly list price comes to $5,292. Some vendors discount annual contracts; the table shows month-to-month prices.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $879.00 | $10,548.00 |
| Quo (Starter) | $19.00 per user | $836.00 | $10,032.00 |
| Nextiva (Core) | $23.00 per user | $1,012.00 | $12,144.00 |
| Ooma (Office Pro) | $24.95 per user | $1,097.80 | $13,173.60 |
| Dialpad (Standard) | $27.00 per user | $1,188.00 | $14,256.00 |
| RingCentral (RingEX Core) | $30.00 per user | $1,320.00 | $15,840.00 |
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.
Local area codes for testing laboratories in Nashville, TN
NANPA records place the exchanges of the area's named cities and towns in 3 area codes. 615 has the most, with 716 of 937 exchanges (76%). Callata's plan includes up to 3 local numbers; you can pick them in the area codes your clients recognize, subject to carrier inventory, or port the number you already have for free.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 615 | 716 | Central | 1954 | 629 |
| 629 | 174 | Central | 2015 | 615 |
| 931 | 47 | Eastern and Central | 1997 | none |
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.
Setting up Callata for a testing laboratory in Nashville, TN
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 Nashville, TN, 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.
Frequently asked questions
How many testing laboratories are there in Nashville, TN?
Census County Business Patterns counted 33 testing laboratories in the Nashville-Davidson--Murfreesboro--Franklin, TN metro area in 2023. They employed 1,465 people in mid-March.
What does a business phone system cost for a 44-person testing laboratory?
At month-to-month list prices checked September 28, 2026, 44 users cost $1,320.00 a month on RingCentral RingEX Core and $1,097.80 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $879.00.
What area code should a testing laboratory in Nashville, TN use?
Area code 615 has the most assigned exchanges among the area's named places, followed by 629 and 931. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for a testing laboratory?
Yes. Callata's optional AI agents can answer when the team is busy or closed, take a message, text, email or transfer the call. They disclose that they are AI and are billed from prepaid AI minutes at $0.25 per minute.