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Business phone system for mental health practices in Denver, CO

Mental health practices in the Denver-Aurora-Centennial, CO metro area: 1,009 establishments in 2023, the local area codes, and what phone service costs a 3-person team.

Establishments
1,009CBP 2023
Employees
3,371mid-March 2023
Per 100k residents
33.1U.S. 13.7
Rank
7th of 646areas by count

Mental health practices in Denver, CO by the numbers

There were 1,009 mental health practices in the Denver-Aurora-Centennial, CO metro area in 2023, according to Census County Business Patterns (NAICS 621330, Offices of Mental Health Practitioners (except Physicians)). They employed 3,371 people in mid-March and paid $181.9 million in annual payroll. By establishment count the area is 7th out of 646 areas with published figures for mental health practices.

Measured against its 3.1 million residents (2024 estimate), the area has 33.1 mental health practices per 100,000 people; the U.S. rate is 13.7, so Denver, CO is 141.7% above the national figure. The average establishment here has 3.3 employees, compared with 5.9 nationally. Payroll per employee comes to $53,974, 19.3% above the national $45,252.

Mental health practices: Denver, CO compared with Colorado and the U.S., 2023
MeasureDenver, COColoradoUnited States
Establishments1,0091,92346,513
Mid-March employees3,3717,278 (moderate noise)276,277
Annual payroll$181,945,000$362,414,000$12,502,175,000
Employees per establishment3.33.85.9
Payroll per employee$53,974$49,796$45,252
Establishments per 100,000 residents33.132.313.7

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.

Establishment size: mental health practices in Denver, CO

Of the mental health practices in Denver, CO that had employees in March 2023, 86.6% had fewer than five (the U.S. share is 78.1%). 92.8% 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.

Mental health practices in Denver, CO by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees87486.6%78.1%
5–9 employees626.1%9.0%
10–19 employees393.9%6.6%
20–49 employees252.5%4.7%
50 or more employees90.9%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.

What mental health practices in Denver, CO use the phone for

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.

Calls a therapy practice in Denver, CO might handle in a typical week include:

What mental health practices text about

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 Denver, CO 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.

What a phone system costs a therapy practice in Denver, CO

The average therapy practice in Denver, CO has 3.3 employees, so a 3-person team is a reasonable benchmark. Priced per seat, 3 users would run $90.00 a month on RingCentral RingEX Core and $74.85 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata costs $99.00 a month ($99 a month with 5 users included, then $20 per additional user), so at this team size both per-seat plans are cheaper; Callata drops below them from 4 users.

At this team size the per-seat plans cost less than Callata's $99 base price, which already covers 5 users; Callata becomes the lower price from 4 users.

Monthly list price for a 3-person therapy practice
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$99.00$1,188.00
Quo (Starter)$19.00 per user$57.00$684.00
Nextiva (Core)$23.00 per user$69.00$828.00
Ooma (Office Pro)$24.95 per user$74.85$898.20
Dialpad (Standard)$27.00 per user$81.00$972.00
RingCentral (RingEX Core)$30.00 per user$90.00$1,080.00

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.

Getting a local number in Denver, CO

NANPA records place the exchanges of the area's named cities and towns in 4 area codes. 303 has the most, with 740 of 1,472 exchanges (50%). A local number lets clients in Denver, CO 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 Denver, CO area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
303740Mountain1947720, 983
720693Mountain1998303, 983
98332Mountain2022303, 720
7197Mountain1988none

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 mental health practices

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 Denver, CO 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 Denver, CO?

Census County Business Patterns counted 1,009 mental health practices in the Denver-Aurora-Centennial, CO metro area in 2023. They employed 3,371 people in mid-March.

What does a business phone system cost for a 3-person therapy practice?

At month-to-month list prices checked September 28, 2026, 3 users cost $90.00 a month on RingCentral RingEX Core and $74.85 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $99.00.

What area code should a therapy practice in Denver, CO use?

Area code 303 has the most assigned exchanges among the area's named places, followed by 720 and 983. 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.