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Business phone system for human resources consulting firms in District of Columbia

42 human resources consulting firms operated in District of Columbia in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
42CBP 2023
Employees
474mid-March 2023
Per 100k residents
6.0U.S. 2.5
State rank
35th of 51by count

The HR consulting firm industry in District of Columbia

District of Columbia had 42 human resources consulting firms in 2023, according to Census County Business Patterns (NAICS 541612, Human Resources Consulting Services). They employed 474 people in mid-March and reported $60.4 million in annual payroll. That is the 35th highest count among the 51 states and DC with published figures. Human resources consulting firms make up 0.18% of the 23,801 business establishments in the state.

Per 100,000 residents (2024 estimate) District of Columbia has 6.0 human resources consulting firms, 138.6% above the national rate of 2.5. The average establishment has 11.3 employees against 15.7 nationally. Payroll per employee is $127,397, 32.7% above the U.S. figure of $96,006.

Human resources consulting firms: District of Columbia compared with the U.S., 2023
MeasureDistrict of ColumbiaUnited States
Establishments428,526
Mid-March employees474 (moderate noise)134,151
Annual payroll$60,386,000 (moderate noise)$12,879,341,000
Employees per establishment11.315.7
Payroll per employee$127,397$96,006
Establishments per 100,000 residents6.02.5

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.

District of Columbia's largest markets for human resources consulting firms

Census published HR consulting firm counts for 1 metro or micropolitan area that include part of District of Columbia. The largest is Washington, DC-VA-MD-WV, with 292 establishments (a multi-state area; its count covers every state it spans).

Human resources consulting firms by metro or micropolitan area, District of Columbia, 2023
AreaEstablishmentsEmployeesPer 100k residents
Washington, DC-VA-MD-WV2924,1884.5

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

Team sizes at human resources consulting firms in District of Columbia

67.5% of District of Columbia's human resources consulting firms with employees had fewer than five people in March 2023, compared with 74.5% nationally. 77.5% 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.

Human resources consulting firms in District of Columbia by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees2767.5%74.5%
5–9 employees410.0%9.8%
10–19 employees512.5%6.0%
20–49 employees410.0%4.8%
50 or more employees00.0%4.9%

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 human resources consulting firms in District of Columbia

HR consultants are often the first call when an employer faces a personnel issue, so clients expect a quick response. Those calls can involve sensitive information that should go to the right person directly. That holds for human resources consulting firms in District of Columbia as much as anywhere.

Typical inbound and outbound calls for human resources consulting firms in District of Columbia:

Texting clients

Firms text scheduling details while keeping personnel matters to calls and secure documents.

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

Phone system pricing for an 11-person HR consulting firm

Human resources consulting firms in District of Columbia average 11.3 employees, so the comparison uses an 11-person team. Priced per seat, 11 users would run $330.00 a month on RingCentral RingEX Core and $274.45 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $219.00 a month for 11 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $1,332 less than RingCentral for a HR consulting firm 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 an 11-person HR consulting firm
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$219.00$2,628.00
Quo (Starter)$19.00 per user$209.00$2,508.00
Nextiva (Core)$23.00 per user$253.00$3,036.00
Ooma (Office Pro)$24.95 per user$274.45$3,293.40
Dialpad (Standard)$27.00 per user$297.00$3,564.00
RingCentral (RingEX Core)$30.00 per user$330.00$3,960.00

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 HR consulting firm 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 human resources consulting firms in District of Columbia

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.

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 human resources consulting firms are in District of Columbia?

42 in 2023, according to Census County Business Patterns. They employed 474 people in mid-March.

Which District of Columbia metro area has the most human resources consulting firms?

Washington, DC-VA-MD-WV, with 292 establishments in 2023.

What does a phone system cost an 11-person HR consulting firm?

$330.00 a month on RingCentral RingEX Core or $274.45 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $219.00 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.