Business phone system for custom computer programming services firms in Chicago, IL-IN
Custom computer programming services firms in the Chicago-Naperville-Elgin, IL-IN metro area: 2,552 establishments in 2023, the local area codes, and what phone service costs a 15-person team.
- Establishments
- 2,552CBP 2023
- Employees
- 38,883mid-March 2023
- Per 100k residents
- 27.1U.S. 20.0
- Rank
- 6th of 563areas by count
Custom computer programming services firms in Chicago, IL-IN by the numbers
There were 2,552 custom computer programming services firms in the Chicago-Naperville-Elgin, IL-IN metro area in 2023, according to Census County Business Patterns (NAICS 541511, Custom Computer Programming Services). Together they reported 38,883 mid-March employees and $4.9 billion of payroll for the year. That ranks 6th of the 563 metro and micropolitan areas where Census published a count for this industry.
With 9.4 million residents in the Census 2024 estimate, that is 27.1 custom computer programming services firms per 100,000 people, 35.6% above the national rate of 20.0. Establishments average 15.2 employees, 2.4% above the U.S. average of 14.9. Payroll per employee comes to $125,457, in line with the national $124,254.
| Measure | Chicago, IL-IN | Illinois | United States |
|---|---|---|---|
| Establishments | 2,552 | 2,838 | 68,051 |
| Mid-March employees | 38,883 | 43,213 | 1,012,250 |
| Annual payroll | $4,878,150,000 | $5,328,591,000 | $125,775,835,000 |
| Employees per establishment | 15.2 | 15.2 | 14.9 |
| Payroll per employee | $125,457 | $123,310 | $124,254 |
| Establishments per 100,000 residents | 27.1 | 22.3 | 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.
How big custom computer programming services firms in Chicago, IL-IN are
Of the custom computer programming services firms in Chicago, IL-IN that had employees in March 2023, 74.4% had fewer than five (the U.S. share is 72.0%). 82.7% 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 | 1,899 | 74.4% | 72.0% |
| 5–9 employees | 212 | 8.3% | 10.1% |
| 10–19 employees | 159 | 6.2% | 7.0% |
| 20–49 employees | 156 | 6.1% | 5.9% |
| 50 or more employees | 126 | 4.9% | 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 Chicago, IL-IN 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 Chicago, IL-IN as much as anywhere.
Calls a custom software firm in Chicago, IL-IN might handle in a typical week include:
- A prospect calls to discuss a new app project.
- A client calls to schedule a demo.
- A client calls to report a bug in production.
Calls after closing time
Production issues can come in after hours, so an urgent flag on voicemail helps the on-call developer.
Callata transcribes voicemail and triages it for urgency, so the first callback in the morning can go to the caller who needs it most.
Callata vs. per-seat pricing for custom computer programming services firms in Chicago, IL-IN
The average custom software firm in Chicago, IL-IN has 15.2 employees, so a 15-person team is a reasonable benchmark. On a per-user plan that headcount sets the bill: $374.25 a month on Ooma Office Pro or $450.00 on RingCentral RingEX Core at list price (checked September 28, 2026). On Callata the same 15 people cost $299.00 a month, less than either per-seat plan.
The annual difference against RingCentral's monthly list price comes to $1,812. 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 | $299.00 | $3,588.00 |
| Quo (Starter) | $19.00 per user | $285.00 | $3,420.00 |
| Nextiva (Core) | $23.00 per user | $345.00 | $4,140.00 |
| Ooma (Office Pro) | $24.95 per user | $374.25 | $4,491.00 |
| Dialpad (Standard) | $27.00 per user | $405.00 | $4,860.00 |
| RingCentral (RingEX Core) | $30.00 per user | $450.00 | $5,400.00 |
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 Chicago, IL-IN
NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 630 has the most, with 778 of 3,886 exchanges (20%). 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 |
|---|---|---|---|---|
| 630 | 778 | Central | 1996 | 331 |
| 847 | 766 | Central | 1996 | 224 |
| 708 | 748 | Central | 1989 | 464 |
| 224 | 581 | Central | 2002 | 847 |
| 219 | 369 | Eastern and Central | 1948 | none |
| 815 | 292 | Central | 1947 | 779 |
| 331 | 224 | Central | 2007 | 630 |
| 779 | 128 | Central | 2007 | 815 |
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 Chicago, IL-IN 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.
If you already have a number in Chicago, IL-IN, 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 custom computer programming services firms are there in Chicago, IL-IN?
Census County Business Patterns counted 2,552 custom computer programming services firms in the Chicago-Naperville-Elgin, IL-IN metro area in 2023. They employed 38,883 people in mid-March.
What does a business phone system cost for a 15-person custom software firm?
At month-to-month list prices checked September 28, 2026, 15 users cost $450.00 a month on RingCentral RingEX Core and $374.25 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $299.00.
What area code should a custom software firm in Chicago, IL-IN use?
Area code 630 has the most assigned exchanges among the area's named places, followed by 847 and 708. 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.