CallataGuidesBusiness phone system for payroll services firms in Denver, CO
Payroll services firms in the Denver-Aurora-Centennial, CO metro area: 52 establishments in 2023, the local area codes, and what phone service costs a 46-person team.
- Establishments
- 52CBP 2023
- Employees
- 2,386mid-March 2023
- Per 100k residents
- 1.7U.S. 1.6
- Rank
- 18th of 232areas by count
The payroll and bookkeeping firm market in Denver, CO
The Census Bureau's 2023 County Business Patterns lists 52 establishments classified as Payroll Services (NAICS 541214) in the Denver-Aurora-Centennial, CO metro area. Together they reported 2,386 mid-March employees and $164.6 million of payroll for the year. That ranks 18th of the 232 metro and micropolitan areas where Census published a count for this industry.
With 3.1 million residents in the Census 2024 estimate, that is 1.7 payroll services firms per 100,000 people, 4.3% above the national rate of 1.6. Establishments average 45.9 employees, 17.6% below the U.S. average of 55.7. Payroll per employee comes to $69,006, 4.1% above the national $66,265.
| Measure | Denver, CO | Colorado | United States |
|---|---|---|---|
| Establishments | 52 | 106 | 5,556 |
| Mid-March employees | 2,386 (moderate noise) | 7,201 (moderate noise) | 309,518 |
| Annual payroll | $164,649,000 (moderate noise) | $355,600,000 | $20,510,140,000 |
| Employees per establishment | 45.9 | 67.9 | 55.7 |
| Payroll per employee | $69,006 | $49,382 | $66,265 |
| Establishments per 100,000 residents | 1.7 | 1.8 | 1.6 |
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 payroll services firms in Denver, CO are
Of the payroll services firms in Denver, CO that had employees in March 2023, 45.8% had fewer than five (the U.S. share is 46.0%). 66.7% had fewer than ten. For a business of a few people, phone coverage is a staffing question as much as a technology one: someone has to be free to pick up, or the call needs somewhere sensible to go.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 22 | 45.8% | 46.0% |
| 5–9 employees | 10 | 20.8% | 14.1% |
| 10–19 employees | 7 | 14.6% | 12.3% |
| 20–49 employees | 3 | 6.3% | 12.5% |
| 50 or more employees | 6 | 12.5% | 15.1% |
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 payroll services firms in Denver, CO
Payroll providers work on fixed deadlines, and a client who cannot reach them on payday is a client at risk. Calls about new hires, tax notices and pay corrections need to reach the right specialist quickly. That holds for payroll services firms in Denver, CO as much as anywhere.
A few of the calls that come in to payroll services firms in Denver, CO:
- A client calls about a state tax notice.
- A prospect calls to ask about switching payroll providers.
- The firm calls a client to confirm payroll hours.
When nobody can pick up
Payday-eve calls benefit from an urgent flag so specialists can respond before the cutoff.
Callata transcribes voicemail and triages it for urgency, so the first callback in the morning can go to the caller who needs it most.
What a phone system costs a payroll and bookkeeping firm in Denver, CO
The average payroll and bookkeeping firm in Denver, CO has 45.9 employees, so a 46-person team is a reasonable benchmark. Priced per seat, 46 users would run $1,380.00 a month on RingCentral RingEX Core and $1,147.70 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). On Callata the same 46 people cost $919.00 a month, less than either per-seat plan.
The annual difference against RingCentral's monthly list price comes to $5,532. Some vendors discount annual contracts; the table shows month-to-month prices.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $919.00 | $11,028.00 |
| Quo (Starter) | $19.00 per user | $874.00 | $10,488.00 |
| Nextiva (Core) | $23.00 per user | $1,058.00 | $12,696.00 |
| Ooma (Office Pro) | $24.95 per user | $1,147.70 | $13,772.40 |
| Dialpad (Standard) | $27.00 per user | $1,242.00 | $14,904.00 |
| RingCentral (RingEX Core) | $30.00 per user | $1,380.00 | $16,560.00 |
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.
Which area code to use 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%). Callata's plan includes up to 3 local numbers; you can pick them in the area codes your business clients recognize, subject to carrier inventory, or port the number you already have for free.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 303 | 740 | Mountain | 1947 | 720, 983 |
| 720 | 693 | Mountain | 1998 | 303, 983 |
| 983 | 32 | Mountain | 2022 | 303, 720 |
| 719 | 7 | Mountain | 1988 | none |
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 payroll services firms in Denver, CO get with Callata
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 Denver, CO, 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.
Avoid sending bank account or Social Security numbers by text.
Frequently asked questions
How many payroll services firms are there in Denver, CO?
Census County Business Patterns counted 52 payroll services firms in the Denver-Aurora-Centennial, CO metro area in 2023. They employed 2,386 people in mid-March.
What does a business phone system cost for a 46-person payroll and bookkeeping firm?
At month-to-month list prices checked September 28, 2026, 46 users cost $1,380.00 a month on RingCentral RingEX Core and $1,147.70 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $919.00.
What area code should a payroll and bookkeeping firm 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 payroll and bookkeeping firm?
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. Avoid sending bank account or Social Security numbers by text.