CallataGuidesBusiness phone system for custom computer programming services firms in Knoxville, TN
Custom computer programming services firms in the Knoxville, TN metro area: 101 establishments in 2023, the local area codes, and what phone service costs a 7-person team.
- Establishments
- 101CBP 2023
- Employees
- 714mid-March 2023
- Per 100k residents
- 10.5U.S. 20.0
- Rank
- 83rd of 563areas by count
How many custom computer programming services firms are in Knoxville, TN?
There were 101 custom computer programming services firms in the Knoxville, TN metro area in 2023, according to Census County Business Patterns (NAICS 541511, Custom Computer Programming Services). They employed 714 people in mid-March and paid $80.5 million in annual payroll. By establishment count the area is 83rd out of 563 areas with published figures for custom computer programming services firms.
Measured against its 958,000 residents (2024 estimate), the area has 10.5 custom computer programming services firms per 100,000 people; the U.S. rate is 20.0, so Knoxville, TN is 47.3% below the national figure. The average establishment here has 7.1 employees, compared with 14.9 nationally. Payroll per employee comes to $112,773, 9.2% below the national $124,254.
| Measure | Knoxville, TN | Tennessee | United States |
|---|---|---|---|
| Establishments | 101 | 661 | 68,051 |
| Mid-March employees | 714 | 9,000 | 1,012,250 |
| Annual payroll | $80,520,000 | $782,208,000 | $125,775,835,000 |
| Employees per establishment | 7.1 | 13.6 | 14.9 |
| Payroll per employee | $112,773 | $86,912 | $124,254 |
| Establishments per 100,000 residents | 10.5 | 9.1 | 20.0 |
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.
Team sizes at custom computer programming services firms in Knoxville, TN
Of the custom computer programming services firms in Knoxville, TN that had employees in March 2023, 67.7% had fewer than five (the U.S. share is 72.0%). 85.9% had fewer than ten. Small teams usually share the phone: the person who answers is often also serving a customer or doing the job, which is when calls get missed.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 67 | 67.7% | 72.0% |
| 5–9 employees | 18 | 18.2% | 10.1% |
| 10–19 employees | 7 | 7.1% | 7.0% |
| 20–49 employees | 7 | 7.1% | 5.9% |
| 50 or more employees | 0 | 0.0% | 4.9% |
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.
Calls a custom software firm in Knoxville, TN has to catch
Small software shops juggle client meetings, support requests and sales calls with a team that is mostly heads-down building. A shared line with routing keeps support from interrupting developers while still answering clients. That holds for custom computer programming services firms in Knoxville, TN as much as anywhere.
A few of the calls that come in to custom computer programming services firms in Knoxville, TN:
- A partner agency calls about a subcontract.
- A client calls to schedule a demo.
- A client calls to report a bug in production.
What custom computer programming services firms text about
Firms text release notices and meeting reminders.
Texts sent from a local business number in Knoxville, TN have to be registered with carriers first (10DLC); on Callata that is a one-time $49 fee, after which the whole team can text from the shared number.
Callata vs. per-seat pricing for custom computer programming services firms in Knoxville, TN
The average custom software firm in Knoxville, TN has 7.1 employees, so a 7-person team is a reasonable benchmark. On a per-user plan that headcount sets the bill: $174.65 a month on Ooma Office Pro or $210.00 on RingCentral RingEX Core at list price (checked September 28, 2026). Callata comes to $139.00 a month for 7 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $852 less than RingCentral for a custom software firm in Knoxville, TN 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 | $139.00 | $1,668.00 |
| Quo (Starter) | $19.00 per user | $133.00 | $1,596.00 |
| Nextiva (Core) | $23.00 per user | $161.00 | $1,932.00 |
| Ooma (Office Pro) | $24.95 per user | $174.65 | $2,095.80 |
| Dialpad (Standard) | $27.00 per user | $189.00 | $2,268.00 |
| RingCentral (RingEX Core) | $30.00 per user | $210.00 | $2,520.00 |
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.
Getting a local number in Knoxville, TN
NANPA records place the exchanges of the area's named cities and towns in 2 area codes. 865 has the most, with 409 of 436 exchanges (94%). A local number lets clients in Knoxville, TN call without dialing out of area. Callata includes up to 3 local numbers, and which numbers are open in an area code depends on carrier inventory when you choose.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 865 | 409 | Eastern | 1999 | none |
| 423 | 27 | Eastern and Central | 1995 | 729 |
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.
What custom computer programming services firms in Knoxville, TN get with Callata
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.
Porting a number you already use in Knoxville, TN 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 custom computer programming services firms are there in Knoxville, TN?
Census County Business Patterns counted 101 custom computer programming services firms in the Knoxville, TN metro area in 2023. They employed 714 people in mid-March.
What does a business phone system cost for a 7-person custom software firm?
At month-to-month list prices checked September 28, 2026, 7 users cost $210.00 a month on RingCentral RingEX Core and $174.65 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $139.00.
What area code should a custom software firm in Knoxville, TN use?
Area code 865 has the most assigned exchanges among the area's named places, followed by 423. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for a custom software firm?
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.