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Business phone system for dental offices in St. Louis, MO-IL

Dental offices in the St. Louis, MO-IL metro area: 1,017 establishments in 2023, the local area codes, and what phone service costs an 8-person team.

Establishments
1,017CBP 2023
Employees
8,519mid-March 2023
Per 100k residents
36.2U.S. 39.9
Rank
26th of 918areas by count

How many dental offices are in St. Louis, MO-IL?

County Business Patterns counts 1,017 dental offices (NAICS 621210, Offices of Dentists) in the St. Louis, MO-IL metro area for 2023. Together they reported 8,519 mid-March employees and $579.7 million of payroll for the year. That ranks 26th of the 918 metro and micropolitan areas where Census published a count for this industry.

With 2.8 million residents in the Census 2024 estimate, that is 36.2 dental offices per 100,000 people, 9.3% below the national rate of 39.9. Establishments average 8.4 employees, 10.5% above the U.S. average of 7.6. Payroll per employee comes to $68,043, 12.1% above the national $60,718.

Dental offices: St. Louis, MO-IL compared with Missouri and the U.S., 2023
MeasureSt. Louis, MO-ILMissouriUnited States
Establishments1,0171,899135,665
Mid-March employees8,51916,1121,028,889
Annual payroll$579,659,000$1,057,442,000$62,471,602,000
Employees per establishment8.48.57.6
Payroll per employee$68,043$65,631$60,718
Establishments per 100,000 residents36.230.439.9

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 dental offices in St. Louis, MO-IL

Of the dental offices in St. Louis, MO-IL that had employees in March 2023, 34.4% had fewer than five (the U.S. share is 37.7%). 70.3% had fewer than ten. When a business has only a few people, whoever is free answers the phone, and calls that arrive while everyone is busy go to voicemail unless they are routed somewhere else.

Dental offices in St. Louis, MO-IL by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees34934.4%37.7%
5–9 employees36535.9%35.4%
10–19 employees24824.4%22.0%
20–49 employees504.9%4.5%
50 or more employees40.4%0.4%

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.

What dental offices in St. Louis, MO-IL use the phone for

Dental appointments are booked, moved and confirmed by phone, and a new patient whose call goes unanswered can simply dial the next practice on the list. Front desks also juggle insurance questions and hygiene recalls while patients are standing at the counter.

Typical inbound and outbound calls for dental offices in St. Louis, MO-IL:

Calls after closing time

After-hours calls are often about dental pain or a lost filling, so a voicemail that is transcribed and flagged for urgency helps staff decide who to call back first in the morning.

Callata transcribes voicemail and triages it for urgency, so the first callback in the morning can go to the caller who needs it most.

Phone system pricing for an 8-person dental office

The average dental office in St. Louis, MO-IL has 8.4 employees, so an 8-person team is a reasonable benchmark. On a per-user plan that headcount sets the bill: $199.60 a month on Ooma Office Pro or $240.00 on RingCentral RingEX Core at list price (checked September 28, 2026). On Callata the same 8 people cost $159.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $972. Some vendors discount annual contracts; the table shows month-to-month prices.

Monthly list price for an 8-person dental office
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$159.00$1,908.00
Quo (Starter)$19.00 per user$152.00$1,824.00
Nextiva (Core)$23.00 per user$184.00$2,208.00
Ooma (Office Pro)$24.95 per user$199.60$2,395.20
Dialpad (Standard)$27.00 per user$216.00$2,592.00
RingCentral (RingEX Core)$30.00 per user$240.00$2,880.00

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 dental offices 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%). Callata's plan includes up to 3 local numbers; you can pick them in the area codes your patients recognize, subject to carrier inventory, or port the number you already have for free.

Area codes in the St. Louis, MO-IL area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
314723Central1947557
618324Central1947730
636308Central1999none
55771Central2022314
73030Central2023618
21714Central1947447
57311Central1996235
4472Central2021217

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 a dental office in St. Louis, MO-IL

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.

If you already have a number in St. Louis, MO-IL, 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.

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 dental offices are there in St. Louis, MO-IL?

Census County Business Patterns counted 1,017 dental offices in the St. Louis, MO-IL metro area in 2023. They employed 8,519 people in mid-March.

What does a business phone system cost for an 8-person dental office?

At month-to-month list prices checked September 28, 2026, 8 users cost $240.00 a month on RingCentral RingEX Core and $199.60 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $159.00.

What area code should a dental office 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 dental office?

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.