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Business phone system for plumbing, heating and air-conditioning contractors in Dubuque, IA

Plumbing, heating and air-conditioning contractors in the Dubuque, IA metro area: 40 establishments in 2023, the local area codes, and what phone service costs an 11-person team.

Establishments
40CBP 2023
Employees
436mid-March 2023
Per 100k residents
40.3U.S. 32.7
Rank
351st of 920areas by count

Plumbing, heating and air-conditioning contractors in Dubuque, IA by the numbers

There were 40 plumbing, heating and air-conditioning contractors in the Dubuque, IA metro area in 2023, according to Census County Business Patterns (NAICS 238220, Plumbing, Heating, and Air-Conditioning Contractors). Together they reported 436 mid-March employees and $30.2 million of payroll for the year. That ranks 351st of the 920 metro and micropolitan areas where Census published a count for this industry.

With 99,242 residents in the Census 2024 estimate, that is 40.3 plumbing, heating and air-conditioning contractors per 100,000 people, 23.3% above the national rate of 32.7. Establishments average 10.9 employees, in line with the U.S. average of 10.9. Payroll per employee comes to $69,190, 6.1% below the national $73,693.

Plumbing, heating and air-conditioning contractors: Dubuque, IA compared with Iowa and the U.S., 2023
MeasureDubuque, IAIowaUnited States
Establishments401,108111,207
Mid-March employees43614,6471,214,761
Annual payroll$30,167,000$1,050,811,000$89,519,407,000
Employees per establishment10.913.210.9
Payroll per employee$69,190$71,742$73,693
Establishments per 100,000 residents40.334.232.7

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.

How big plumbing, heating and air-conditioning contractors in Dubuque, IA are

Of the plumbing, heating and air-conditioning contractors in Dubuque, IA that had employees in March 2023, 61.1% had fewer than five (the U.S. share is 58.3%). 86.1% 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.

Plumbing, heating and air-conditioning contractors in Dubuque, IA by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees2261.1%58.3%
5–9 employees925.0%18.5%
10–19 employees513.9%11.8%
20–49 employeesnot published—7.5%
50 or more employees00.0%3.8%

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 plumbing, heating and air-conditioning contractors in Dubuque, IA use the phone for

Plumbing and HVAC calls are often emergencies: no heat, no cooling or water where it should not be. Homeowners call down a list until someone answers, so a missed call is frequently a lost job.

Typical inbound and outbound calls for plumbing, heating and air-conditioning contractors in Dubuque, IA:

When nobody can pick up

Emergency calls at night and on weekends are core business, so after-hours routing to an on-call technician or an AI receptionist that takes details matters.

Callata transcribes voicemail and triages it for urgency, so the first callback in the morning can go to the caller who needs it most.

Callata vs. per-seat pricing for plumbing, heating and air-conditioning contractors in Dubuque, IA

The average plumbing and HVAC contractor in Dubuque, IA has 10.9 employees, so an 11-person team is a reasonable benchmark. 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). On Callata the same 11 people cost $219.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $1,332. Some vendors discount annual contracts; the table shows month-to-month prices.

Monthly list price for an 11-person plumbing and HVAC contractor
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.

Getting a local number in Dubuque, IA

The exchanges in the area's named cities and towns are all in area code 563 (55 exchanges in NANPA's file). Callata's plan includes up to 3 local numbers; you can pick them in the area codes your customers recognize, subject to carrier inventory, or port the number you already have for free.

Area codes in the Dubuque, IA area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
56355Central2001none

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 plumbing, heating and air-conditioning contractors in Dubuque, IA 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 Dubuque, IA, 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.

Frequently asked questions

How many plumbing, heating and air-conditioning contractors are there in Dubuque, IA?

Census County Business Patterns counted 40 plumbing, heating and air-conditioning contractors in the Dubuque, IA metro area in 2023. They employed 436 people in mid-March.

What does a business phone system cost for an 11-person plumbing and HVAC contractor?

At month-to-month list prices checked September 28, 2026, 11 users cost $330.00 a month on RingCentral RingEX Core and $274.45 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $219.00.

What area code should a plumbing and HVAC contractor in Dubuque, IA use?

Area code 563 has the most assigned exchanges among the area's named places. If you already have a local number, you can port it to Callata for free.

Can an AI receptionist answer calls for a plumbing and HVAC 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.