CallataGuidesBusiness phone system for advertising agencies in Chicago, IL-IN
Advertising agencies in the Chicago-Naperville-Elgin, IL-IN metro area: 595 establishments in 2023, the local area codes, and what phone service costs a 25-person team.
- Establishments
- 595CBP 2023
- Employees
- 14,980mid-March 2023
- Per 100k residents
- 6.3U.S. 4.6
- Rank
- 4th of 351areas by count
How many advertising agencies are in Chicago, IL-IN?
There were 595 advertising agencies in the Chicago-Naperville-Elgin, IL-IN metro area in 2023, according to Census County Business Patterns (NAICS 541810, Advertising Agencies). They employed 14,980 people in mid-March and paid $1.5 billion in annual payroll. By establishment count the area is 4th out of 351 areas with published figures for advertising agencies.
Measured against its 9.4 million residents (2024 estimate), the area has 6.3 advertising agencies per 100,000 people; the U.S. rate is 4.6, so Chicago, IL-IN is 38.7% above the national figure. The average establishment here has 25.2 employees, compared with 12.9 nationally. Payroll per employee comes to $103,465, 3.2% below the national $106,841.
| Measure | Chicago, IL-IN | Illinois | United States |
|---|---|---|---|
| Establishments | 595 | 655 | 15,512 |
| Mid-March employees | 14,980 | 15,453 | 200,465 |
| Annual payroll | $1,549,903,000 | $1,584,346,000 | $21,417,972,000 |
| Employees per establishment | 25.2 | 23.6 | 12.9 |
| Payroll per employee | $103,465 | $102,527 | $106,841 |
| Establishments per 100,000 residents | 6.3 | 5.2 | 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.
Team sizes at advertising agencies in Chicago, IL-IN
Of the advertising agencies in Chicago, IL-IN that had employees in March 2023, 60.4% had fewer than five (the U.S. share is 68.2%). 72.6% 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 | 359 | 60.4% | 68.2% |
| 5–9 employees | 72 | 12.1% | 12.0% |
| 10–19 employees | 54 | 9.1% | 8.4% |
| 20–49 employees | 51 | 8.6% | 6.4% |
| 50 or more employees | 58 | 9.8% | 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.
Calls an advertising agency in Chicago, IL-IN has to catch
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.
A few of the calls that come in to advertising agencies in Chicago, IL-IN:
- The agency calls a client to review creative.
- A media rep calls about an ad placement.
- A production vendor calls about a shoot.
Texting clients
Agencies text approvals and schedule changes.
Team texting on Callata runs from your business number, so replies come from the practice or shop rather than someone's personal phone. It turns on after the one-time $49 carrier registration (10DLC) is approved.
Callata vs. per-seat pricing for advertising agencies in Chicago, IL-IN
The average advertising agency in Chicago, IL-IN has 25.2 employees, so a 25-person team is a reasonable benchmark. Priced per seat, 25 users would run $750.00 a month on RingCentral RingEX Core and $623.75 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $499.00 a month for 25 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $3,012 less than RingCentral for an advertising agency in Chicago, IL-IN 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 | $499.00 | $5,988.00 |
| Quo (Starter) | $19.00 per user | $475.00 | $5,700.00 |
| Nextiva (Core) | $23.00 per user | $575.00 | $6,900.00 |
| Ooma (Office Pro) | $24.95 per user | $623.75 | $7,485.00 |
| Dialpad (Standard) | $27.00 per user | $675.00 | $8,100.00 |
| RingCentral (RingEX Core) | $30.00 per user | $750.00 | $9,000.00 |
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 advertising agencies 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%). A local number lets clients in Chicago, IL-IN 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 |
|---|---|---|---|---|
| 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.
Setting up Callata for an advertising agency in Chicago, IL-IN
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 Chicago, IL-IN 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 there in Chicago, IL-IN?
Census County Business Patterns counted 595 advertising agencies in the Chicago-Naperville-Elgin, IL-IN metro area in 2023. They employed 14,980 people in mid-March.
What does a business phone system cost for a 25-person advertising agency?
At month-to-month list prices checked September 28, 2026, 25 users cost $750.00 a month on RingCentral RingEX Core and $623.75 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $499.00.
What area code should an advertising agency 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 an advertising agency?
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.