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Business phone system for exam preparation and tutoring services in St. Louis, MO-IL

Exam preparation and tutoring services in the St. Louis, MO-IL metro area: 54 establishments in 2023, the local area codes, and what phone service costs a 13-person team.

Establishments
54CBP 2023
Employees
727mid-March 2023
Per 100k residents
1.9U.S. 2.9
Rank
31st of 270areas by count

How many exam preparation and tutoring services are in St. Louis, MO-IL?

County Business Patterns counts 54 exam preparation and tutoring services (NAICS 611691, Exam Preparation and Tutoring) in the St. Louis, MO-IL metro area for 2023. They employed 727 people in mid-March and paid $13.2 million in annual payroll. By establishment count the area is 31st out of 270 areas with published figures for exam preparation and tutoring services.

Measured against its 2.8 million residents (2024 estimate), the area has 1.9 exam preparation and tutoring services per 100,000 people; the U.S. rate is 2.9, so St. Louis, MO-IL is 33.5% below the national figure. The average establishment here has 13.5 employees, compared with 11.1 nationally. Payroll per employee comes to $18,118, 34.6% below the national $27,718.

Exam preparation and tutoring services: St. Louis, MO-IL compared with Missouri and the U.S., 2023
MeasureSt. Louis, MO-ILMissouriUnited States
Establishments54909,820
Mid-March employees7271,056108,755
Annual payroll$13,172,000 (moderate noise)$20,028,000 (moderate noise)$3,014,523,000
Employees per establishment13.511.711.1
Payroll per employee$18,118$18,966$27,718
Establishments per 100,000 residents1.91.42.9

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.

How big exam preparation and tutoring services in St. Louis, MO-IL are

Of the exam preparation and tutoring services in St. Louis, MO-IL that had employees in March 2023, 43.4% had fewer than five (the U.S. share is 46.9%). 60.4% 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.

Exam preparation and tutoring services in St. Louis, MO-IL by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees2343.4%46.9%
5–9 employees917.0%20.3%
10–19 employees1120.8%20.0%
20–49 employees1018.9%10.4%
50 or more employees00.0%2.3%

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 exam preparation and tutoring services in St. Louis, MO-IL

Tutoring centers handle enrollment calls, scheduling and parent updates, with peaks before exams and school terms. Parents call several centers when looking for help. That holds for exam preparation and tutoring services in St. Louis, MO-IL as much as anywhere.

Typical inbound and outbound calls for exam preparation and tutoring services in St. Louis, MO-IL:

What exam preparation and tutoring services text about

Centers text session reminders.

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.

Phone system pricing for a 13-person tutoring center

The average tutoring center in St. Louis, MO-IL has 13.5 employees, so a 13-person team is a reasonable benchmark. On a per-user plan that headcount sets the bill: $324.35 a month on Ooma Office Pro or $390.00 on RingCentral RingEX Core at list price (checked September 28, 2026). Callata comes to $259.00 a month for 13 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $1,572 less than RingCentral for a tutoring center in St. Louis, MO-IL of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 13-person tutoring center
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$259.00$3,108.00
Quo (Starter)$19.00 per user$247.00$2,964.00
Nextiva (Core)$23.00 per user$299.00$3,588.00
Ooma (Office Pro)$24.95 per user$324.35$3,892.20
Dialpad (Standard)$27.00 per user$351.00$4,212.00
RingCentral (RingEX Core)$30.00 per user$390.00$4,680.00

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 exam preparation and tutoring services 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 families 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 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.

What exam preparation and tutoring services 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.

Frequently asked questions

How many exam preparation and tutoring services are there in St. Louis, MO-IL?

Census County Business Patterns counted 54 exam preparation and tutoring services in the St. Louis, MO-IL metro area in 2023. They employed 727 people in mid-March.

What does a business phone system cost for a 13-person tutoring center?

At month-to-month list prices checked September 28, 2026, 13 users cost $390.00 a month on RingCentral RingEX Core and $324.35 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $259.00.

What area code should a tutoring center 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 tutoring center?

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.