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Business phone system for exam preparation and tutoring services in District of Columbia

43 exam preparation and tutoring services operated in District of Columbia in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
43CBP 2023
Employees
497mid-March 2023
Per 100k residents
6.1U.S. 2.9
State rank
34th of 51by count

How many exam preparation and tutoring services operate in District of Columbia

The Census Bureau counted 43 exam preparation and tutoring services in District of Columbia in its 2023 County Business Patterns (NAICS 611691). They employed 497 people in mid-March and reported $23.0 million in annual payroll. That is the 34th highest count among the 51 states and DC with published figures. Exam preparation and tutoring services make up 0.18% of the 23,801 business establishments in the state.

Per 100,000 residents (2024 estimate) District of Columbia has 6.1 exam preparation and tutoring services, 112.1% above the national rate of 2.9. The average establishment has 11.6 employees against 11.1 nationally. Payroll per employee is $46,300, 67.0% above the U.S. figure of $27,718.

Exam preparation and tutoring services: District of Columbia compared with the U.S., 2023
MeasureDistrict of ColumbiaUnited States
Establishments439,820
Mid-March employees497108,755
Annual payroll$23,011,000$3,014,523,000
Employees per establishment11.611.1
Payroll per employee$46,300$27,718
Establishments per 100,000 residents6.12.9

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.

Where exam preparation and tutoring services in District of Columbia are concentrated

Census published tutoring center counts for 1 metro or micropolitan area that include part of District of Columbia. The largest is Washington, DC-VA-MD-WV, with 308 establishments (a multi-state area; its count covers every state it spans).

Exam preparation and tutoring services by metro or micropolitan area, District of Columbia, 2023
AreaEstablishmentsEmployeesPer 100k residents
Washington, DC-VA-MD-WV3082,7944.8

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

Team sizes at exam preparation and tutoring services in District of Columbia

43.9% of District of Columbia's exam preparation and tutoring services with employees had fewer than five people in March 2023, compared with 46.9% nationally. 73.2% 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.

Exam preparation and tutoring services in District of Columbia by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees1843.9%46.9%
5–9 employees1229.3%20.3%
10–19 employees614.6%20.0%
20–49 employees512.2%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 District of Columbia

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 District of Columbia as much as anywhere.

Typical inbound and outbound calls for exam preparation and tutoring services in District of Columbia:

Business texting for exam preparation and tutoring services

Centers text session reminders.

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

Phone system pricing for a 12-person tutoring center

Exam preparation and tutoring services in District of Columbia average 11.6 employees, so the comparison uses a 12-person team. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 12 users on RingCentral RingEX Core cost $360.00 a month and 12 on Ooma Office Pro cost $299.40. Callata comes to $239.00 a month for 12 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $1,452 less than RingCentral for a tutoring center in District of Columbia of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 12-person tutoring center
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$239.00$2,868.00
Quo (Starter)$19.00 per user$228.00$2,736.00
Nextiva (Core)$23.00 per user$276.00$3,312.00
Ooma (Office Pro)$24.95 per user$299.40$3,592.80
Dialpad (Standard)$27.00 per user$324.00$3,888.00
RingCentral (RingEX Core)$30.00 per user$360.00$4,320.00

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 District of Columbia

District of Columbia has 2 geographic area codes in service according to NANPA. Callata includes up to 3 local numbers, so a tutoring center can hold a number in more than one of them.

Area codes in District of Columbia by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
202784Eastern1947771
77171Eastern2021202

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 exam preparation and tutoring services in District of Columbia

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 District of Columbia 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 in District of Columbia?

43 in 2023, according to Census County Business Patterns. They employed 497 people in mid-March.

Which District of Columbia metro area has the most exam preparation and tutoring services?

Washington, DC-VA-MD-WV, with 308 establishments in 2023.

What does a phone system cost a 12-person tutoring center?

$360.00 a month on RingCentral RingEX Core or $299.40 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $239.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

Do I need to register to text customers from a District of Columbia 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.