CallataGuidesBusiness phone system for site preparation contractors in Denver, CO
Site preparation contractors in the Denver-Aurora-Centennial, CO metro area: 338 establishments in 2023, the local area codes, and what phone service costs a 16-person team.
- Establishments
- 338CBP 2023
- Employees
- 5,443mid-March 2023
- Per 100k residents
- 11.1U.S. 12.3
- Rank
- 18th of 881areas by count
How many site preparation contractors are in Denver, CO?
County Business Patterns counts 338 site preparation contractors (NAICS 238910, Site Preparation Contractors) in the Denver-Aurora-Centennial, CO metro area for 2023. They employed 5,443 people in mid-March and paid $440.9 million in annual payroll. By establishment count the area is 18th out of 881 areas with published figures for site preparation contractors.
Measured against its 3.1 million residents (2024 estimate), the area has 11.1 site preparation contractors per 100,000 people; the U.S. rate is 12.3, so Denver, CO is 9.9% below the national figure. The average establishment here has 16.1 employees, compared with 11.3 nationally. Payroll per employee comes to $81,011, 5.0% above the national $77,142.
| Measure | Denver, CO | Colorado | United States |
|---|---|---|---|
| Establishments | 338 | 1,037 | 41,777 |
| Mid-March employees | 5,443 | 11,656 | 472,783 |
| Annual payroll | $440,944,000 | $914,813,000 | $36,471,538,000 |
| Employees per establishment | 16.1 | 11.2 | 11.3 |
| Payroll per employee | $81,011 | $78,484 | $77,142 |
| Establishments per 100,000 residents | 11.1 | 17.4 | 12.3 |
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 site preparation contractors in Denver, CO are
Of the site preparation contractors in Denver, CO that had employees in March 2023, 48.5% had fewer than five (the U.S. share is 60.7%). 68.9% 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 | 164 | 48.5% | 60.7% |
| 5–9 employees | 69 | 20.4% | 16.3% |
| 10–19 employees | 41 | 12.1% | 10.7% |
| 20–49 employees | 45 | 13.3% | 8.0% |
| 50 or more employees | 19 | 5.6% | 4.4% |
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 site preparation contractors in Denver, CO
Excavation and site work contractors coordinate equipment, crews and permits across job sites. Builders and homeowners need to reach them quickly when schedules shift. That holds for site preparation contractors in Denver, CO as much as anywhere.
Typical inbound and outbound calls for site preparation contractors in Denver, CO:
- The contractor calls a customer about access.
- A builder calls to schedule lot clearing.
- A homeowner calls about grading a yard.
Business texting for site preparation contractors
Contractors text arrival windows and site photos.
Because carriers require registration for business texting from local numbers, Callata files a 10DLC registration for a one-time $49; after approval, anyone on the team can reply from the business number.
Callata vs. per-seat pricing for site preparation contractors in Denver, CO
The average site preparation contractor in Denver, CO has 16.1 employees, so a 16-person team is a reasonable benchmark. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 16 users on RingCentral RingEX Core cost $480.00 a month and 16 on Ooma Office Pro cost $399.20. Callata comes to $319.00 a month for 16 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $1,932 less than RingCentral for a site preparation contractor in Denver, CO of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $319.00 | $3,828.00 |
| Quo (Starter) | $19.00 per user | $304.00 | $3,648.00 |
| Nextiva (Core) | $23.00 per user | $368.00 | $4,416.00 |
| Ooma (Office Pro) | $24.95 per user | $399.20 | $4,790.40 |
| Dialpad (Standard) | $27.00 per user | $432.00 | $5,184.00 |
| RingCentral (RingEX Core) | $30.00 per user | $480.00 | $5,760.00 |
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 site preparation contractors 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 customers 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 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 site preparation contractors in Denver, CO 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 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.
Frequently asked questions
How many site preparation contractors are there in Denver, CO?
Census County Business Patterns counted 338 site preparation contractors in the Denver-Aurora-Centennial, CO metro area in 2023. They employed 5,443 people in mid-March.
What does a business phone system cost for a 16-person site preparation contractor?
At month-to-month list prices checked September 28, 2026, 16 users cost $480.00 a month on RingCentral RingEX Core and $399.20 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $319.00.
What area code should a site preparation contractor 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 site preparation contractor?
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.