CallataGuidesBusiness phone system for computer systems design services firms in Tulsa, OK
Computer systems design services firms in the Tulsa, OK metro area: 104 establishments in 2023, the local area codes, and what phone service costs an 18-person team.
- Establishments
- 104CBP 2023
- Employees
- 1,906mid-March 2023
- Per 100k residents
- 9.8U.S. 17.1
- Rank
- 74th of 577areas by count
Computer systems design services firms in Tulsa, OK by the numbers
There were 104 computer systems design services firms in the Tulsa, OK metro area in 2023, according to Census County Business Patterns (NAICS 541512, Computer Systems Design Services). They employed 1,906 people in mid-March and paid $167.3 million in annual payroll. By establishment count the area is 74th out of 577 areas with published figures for computer systems design services firms.
Measured against its 1.1 million residents (2024 estimate), the area has 9.8 computer systems design services firms per 100,000 people; the U.S. rate is 17.1, so Tulsa, OK is 42.6% below the national figure. The average establishment here has 18.3 employees, compared with 13.2 nationally. Payroll per employee comes to $87,764, 28.2% below the national $122,171.
| Measure | Tulsa, OK | Oklahoma | United States |
|---|---|---|---|
| Establishments | 104 | 295 | 58,113 |
| Mid-March employees | 1,906 | 5,076 | 766,160 |
| Annual payroll | $167,279,000 | $422,070,000 | $93,602,442,000 |
| Employees per establishment | 18.3 | 17.2 | 13.2 |
| Payroll per employee | $87,764 | $83,150 | $122,171 |
| Establishments per 100,000 residents | 9.8 | 7.2 | 17.1 |
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.
How big computer systems design services firms in Tulsa, OK are
Of the computer systems design services firms in Tulsa, OK that had employees in March 2023, 75.2% had fewer than five (the U.S. share is 74.5%). 85.1% 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 | 76 | 75.2% | 74.5% |
| 5–9 employees | 10 | 9.9% | 9.7% |
| 10–19 employees | 7 | 6.9% | 6.5% |
| 20–49 employees | 4 | 4.0% | 5.0% |
| 50 or more employees | 4 | 4.0% | 4.4% |
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 an IT services firm in Tulsa, OK has to catch
Managed IT and systems integration firms field support calls that range from a forgotten password to a server outage. Clients judge them by how quickly someone answers when something breaks. That holds for computer systems design services firms in Tulsa, OK as much as anywhere.
A few of the calls that come in to computer systems design services firms in Tulsa, OK:
- A prospect calls to ask about managed IT.
- The firm calls a client to schedule maintenance.
- A vendor calls about a hardware order.
What computer systems design services firms text about
IT firms text maintenance windows and ticket updates.
Texts sent from a local business number in Tulsa, OK 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 computer systems design services firms in Tulsa, OK
The average IT services firm in Tulsa, OK has 18.3 employees, so an 18-person team is a reasonable benchmark. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 18 users on RingCentral RingEX Core cost $540.00 a month and 18 on Ooma Office Pro cost $449.10. Callata comes to $359.00 a month for 18 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $2,172 less than RingCentral for an IT services firm in Tulsa, OK 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 | $359.00 | $4,308.00 |
| Quo (Starter) | $19.00 per user | $342.00 | $4,104.00 |
| Nextiva (Core) | $23.00 per user | $414.00 | $4,968.00 |
| Ooma (Office Pro) | $24.95 per user | $449.10 | $5,389.20 |
| Dialpad (Standard) | $27.00 per user | $486.00 | $5,832.00 |
| RingCentral (RingEX Core) | $30.00 per user | $540.00 | $6,480.00 |
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.
Which area code to use in Tulsa, OK
NANPA records place the exchanges of the area's named cities and towns in 2 area codes. 918 has the most, with 440 of 561 exchanges (78%). A local number lets clients in Tulsa, OK 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 |
|---|---|---|---|---|
| 918 | 440 | Central | 1953 | 539 |
| 539 | 121 | Central | 2011 | 918 |
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 computer systems design services firms
For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.
Porting a number you already use in Tulsa, OK 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 computer systems design services firms are there in Tulsa, OK?
Census County Business Patterns counted 104 computer systems design services firms in the Tulsa, OK metro area in 2023. They employed 1,906 people in mid-March.
What does a business phone system cost for an 18-person IT services firm?
At month-to-month list prices checked September 28, 2026, 18 users cost $540.00 a month on RingCentral RingEX Core and $449.10 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $359.00.
What area code should an IT services firm in Tulsa, OK use?
Area code 918 has the most assigned exchanges among the area's named places, followed by 539. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for an IT services 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.