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Business phone system for mental health practices in Illinois

2,532 mental health practices operated in Illinois in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
2,532CBP 2023
Employees
11,576mid-March 2023
Per 100k residents
19.9U.S. 13.7
State rank
5th of 51by count

The therapy practice industry in Illinois

County Business Patterns counts 2,532 establishments in Illinois classified as Offices of Mental Health Practitioners (except Physicians) (NAICS 621330) for 2023. They employed 11,576 people in mid-March and reported $601.1 million in annual payroll. That is the 5th highest count among the 51 states and DC with published figures. Mental health practices make up 0.79% of the 322,415 business establishments in the state.

Per 100,000 residents (2024 estimate) Illinois has 19.9 mental health practices, 45.7% above the national rate of 13.7. The average establishment has 4.6 employees against 5.9 nationally. Payroll per employee is $51,929, 14.8% above the U.S. figure of $45,252.

Mental health practices: Illinois compared with the U.S., 2023
MeasureIllinoisUnited States
Establishments2,53246,513
Mid-March employees11,576276,277
Annual payroll$601,131,000$12,502,175,000
Employees per establishment4.65.9
Payroll per employee$51,929$45,252
Establishments per 100,000 residents19.913.7

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.

Illinois's largest markets for mental health practices

Census published therapy practice counts for 19 metro or micropolitan areas that include part of Illinois. The largest is Chicago, IL-IN, with 2,318 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 7.2% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Mental health practices by metro or micropolitan area, Illinois, 2023
AreaEstablishmentsEmployeesPer 100k residents
Chicago, IL-IN2,31810,54824.6
St. Louis, MO-IL2861,78910.2
Davenport, IA-IL38—10.0
Champaign, IL3622914.8
Rockford, IL34—10.1
Peoria, IL332609.1
Bloomington, IL2023011.6
Springfield, IL171548.2
Kankakee, IL174116.0
Paducah, KY-IL6685.9
Quincy, IL-MO6—8.1
Decatur, IL5—5.0
Cape Girardeau, MO-IL5555.1
Effingham, IL5—11.1
Ottawa, IL4—2.7
Marion, IL394.5
Carbondale, IL3—5.6
Charleston, IL3—6.5
Centralia, IL3108.2

Source: Census County Business Patterns 2023; population from Census Vintage 2024 estimates.

Team sizes at mental health practices in Illinois

76.8% of Illinois's mental health practices with employees had fewer than five people in March 2023, compared with 78.1% nationally. 88.1% had fewer than ten. At that size the phone is shared, so routing (who rings, when, and what happens after hours) matters more than the number of desk phones.

Mental health practices in Illinois by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees1,94576.8%78.1%
5–9 employees28511.3%9.0%
10–19 employees1897.5%6.6%
20–49 employees863.4%4.7%
50 or more employees271.1%1.7%

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.

Why the phone matters for mental health practices in Illinois

Counselors and therapists are often in session when the phone rings, so first contacts frequently land in voicemail. Prospective clients reaching out for the first time may not call twice, which makes prompt, accurate callbacks important.

Typical inbound and outbound calls for mental health practices in Illinois:

Business texting for mental health practices

Many practices limit texting to scheduling logistics, such as confirming a session time, and keep clinical conversation in session.

Texting from a local number in Illinois requires carrier registration (10DLC), a one-time $49 fee on Callata.

What a phone system costs a therapy practice in Illinois

Mental health practices in Illinois average 4.6 employees, so the comparison uses a 5-person team. Priced per seat, 5 users would run $150.00 a month on RingCentral RingEX Core and $124.75 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $99.00 a month for 5 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $612 less than RingCentral for a therapy practice in Illinois of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 5-person therapy practice
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$99.00$1,188.00
Quo (Starter)$19.00 per user$95.00$1,140.00
Nextiva (Core)$23.00 per user$115.00$1,380.00
Ooma (Office Pro)$24.95 per user$124.75$1,497.00
Dialpad (Standard)$27.00 per user$135.00$1,620.00
RingCentral (RingEX Core)$30.00 per user$150.00$1,800.00

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.

Area codes in Illinois

Illinois has 17 geographic area codes in service according to NANPA. Callata includes up to 3 local numbers, so a therapy practice can hold a number in more than one of them.

Area codes in Illinois by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
217786Central1947447
309786Central1957861
618786Central1947730
773786Central1996872
815786Central1947779
847786Central1996224
312784Central1947872
708784Central1989464
630782Central1996331
224594Central2002847
779351Central2007815
872276Central2009312, 773
331224Central2007630
447219Central2021217
730129Central2023618
464111Central2022708
8617Central2023309

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 mental health practices in Illinois

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 Illinois 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.

Practices that handle protected health information should review their own privacy obligations before recording calls, enabling AI summaries or texting appointment details, and keep clinical conversations out of text messages unless their policies allow it.

Frequently asked questions

How many mental health practices are in Illinois?

2,532 in 2023, according to Census County Business Patterns. They employed 11,576 people in mid-March.

Which Illinois metro area has the most mental health practices?

Chicago, IL-IN, with 2,318 establishments in 2023.

What does a phone system cost a 5-person therapy practice?

$150.00 a month on RingCentral RingEX Core or $124.75 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $99.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

Do I need to register to text customers from a Illinois number?

Yes. US carriers require business texting from local numbers to be registered (10DLC). On Callata the registration is a one-time $49 fee, and texting turns on once it is approved.