CallataGuidesBusiness phone system for mental health practices in St. Louis, MO-IL
Mental health practices in the St. Louis, MO-IL metro area: 286 establishments in 2023, the local area codes, and what phone service costs a 6-person team.
- Establishments
- 286CBP 2023
- Employees
- 1,789mid-March 2023
- Per 100k residents
- 10.2U.S. 13.7
- Rank
- 33rd of 646areas by count
The therapy practice market in St. Louis, MO-IL
The Census Bureau's 2023 County Business Patterns lists 286 establishments classified as Offices of Mental Health Practitioners (except Physicians) (NAICS 621330) in the St. Louis, MO-IL metro area. They employed 1,789 people in mid-March and paid $85.1 million in annual payroll. By establishment count the area is 33rd out of 646 areas with published figures for mental health practices.
Measured against its 2.8 million residents (2024 estimate), the area has 10.2 mental health practices per 100,000 people; the U.S. rate is 13.7, so St. Louis, MO-IL is 25.6% below the national figure. The average establishment here has 6.3 employees, compared with 5.9 nationally. Payroll per employee comes to $47,581, 5.1% above the national $45,252.
| Measure | St. Louis, MO-IL | Missouri | United States |
|---|---|---|---|
| Establishments | 286 | 587 | 46,513 |
| Mid-March employees | 1,789 (moderate noise) | 3,107 | 276,277 |
| Annual payroll | $85,123,000 (moderate noise) | $137,127,000 | $12,502,175,000 |
| Employees per establishment | 6.3 | 5.3 | 5.9 |
| Payroll per employee | $47,581 | $44,135 | $45,252 |
| Establishments per 100,000 residents | 10.2 | 9.4 | 13.7 |
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.
Team sizes at mental health practices in St. Louis, MO-IL
Of the mental health practices in St. Louis, MO-IL that had employees in March 2023, 80.6% had fewer than five (the U.S. share is 78.1%). 88.0% had fewer than ten. For a business of a few people, phone coverage is a staffing question as much as a technology one: someone has to be free to pick up, or the call needs somewhere sensible to go.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 229 | 80.6% | 78.1% |
| 5–9 employees | 21 | 7.4% | 9.0% |
| 10–19 employees | 20 | 7.0% | 6.6% |
| 20–49 employees | 9 | 3.2% | 4.7% |
| 50 or more employees | 5 | 1.8% | 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.
Calls a therapy practice in St. Louis, MO-IL has to catch
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.
A few of the calls that come in to mental health practices in St. Louis, MO-IL:
- A prospective client calls to ask about availability and fees.
- An existing client calls to reschedule a session.
- An insurance company calls about authorization.
Texting clients
Many practices limit texting to scheduling logistics, such as confirming a session time, and keep clinical conversation in session.
Texts sent from a local business number in St. Louis, MO-IL 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.
Phone system pricing for a 6-person therapy practice
The average therapy practice in St. Louis, MO-IL has 6.3 employees, so a 6-person team is a reasonable benchmark. Priced per seat, 6 users would run $180.00 a month on RingCentral RingEX Core and $149.70 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $119.00 a month for 6 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $732 less than RingCentral for a therapy practice in St. Louis, MO-IL 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 | $119.00 | $1,428.00 |
| Quo (Starter) | $19.00 per user | $114.00 | $1,368.00 |
| Nextiva (Core) | $23.00 per user | $138.00 | $1,656.00 |
| Ooma (Office Pro) | $24.95 per user | $149.70 | $1,796.40 |
| Dialpad (Standard) | $27.00 per user | $162.00 | $1,944.00 |
| RingCentral (RingEX Core) | $30.00 per user | $180.00 | $2,160.00 |
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 mental health practices in St. Louis, MO-IL
NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 314 has the most, with 723 of 1,483 exchanges (49%). A local number lets clients in St. Louis, MO-IL 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 |
|---|---|---|---|---|
| 314 | 723 | Central | 1947 | 557 |
| 618 | 324 | Central | 1947 | 730 |
| 636 | 308 | Central | 1999 | none |
| 557 | 71 | Central | 2022 | 314 |
| 730 | 30 | Central | 2023 | 618 |
| 217 | 14 | Central | 1947 | 447 |
| 573 | 11 | Central | 1996 | 235 |
| 447 | 2 | Central | 2021 | 217 |
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 mental health practices in St. Louis, MO-IL get with Callata
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
Porting a number you already use in St. Louis, MO-IL 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 there in St. Louis, MO-IL?
Census County Business Patterns counted 286 mental health practices in the St. Louis, MO-IL metro area in 2023. They employed 1,789 people in mid-March.
What does a business phone system cost for a 6-person therapy practice?
At month-to-month list prices checked September 28, 2026, 6 users cost $180.00 a month on RingCentral RingEX Core and $149.70 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $119.00.
What area code should a therapy practice in St. Louis, MO-IL use?
Area code 314 has the most assigned exchanges among the area's named places, followed by 618 and 636. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for a therapy practice?
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. 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.