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Business phone system for plumbing, heating and air-conditioning contractors in Los Angeles, CA

Plumbing, heating and air-conditioning contractors in the Los Angeles-Long Beach-Anaheim, CA metro area: 3,793 establishments in 2023, the local area codes, and what phone service costs a 10-person team.

Establishments
3,793CBP 2023
Employees
39,381mid-March 2023
Per 100k residents
29.3U.S. 32.7
Rank
2nd of 920areas by count

Plumbing, heating and air-conditioning contractors in Los Angeles, CA by the numbers

There were 3,793 plumbing, heating and air-conditioning contractors in the Los Angeles-Long Beach-Anaheim, CA metro area in 2023, according to Census County Business Patterns (NAICS 238220, Plumbing, Heating, and Air-Conditioning Contractors). They employed 39,381 people in mid-March and paid $3.3 billion in annual payroll. By establishment count the area is 2nd out of 920 areas with published figures for plumbing, heating and air-conditioning contractors.

Measured against its 12.9 million residents (2024 estimate), the area has 29.3 plumbing, heating and air-conditioning contractors per 100,000 people; the U.S. rate is 32.7, so Los Angeles, CA is 10.3% below the national figure. The average establishment here has 10.4 employees, compared with 10.9 nationally. Payroll per employee comes to $82,552, 12.0% above the national $73,693.

Plumbing, heating and air-conditioning contractors: Los Angeles, CA compared with California and the U.S., 2023
MeasureLos Angeles, CACaliforniaUnited States
Establishments3,79311,686111,207
Mid-March employees39,381126,9471,214,761
Annual payroll$3,250,969,000$10,859,374,000$89,519,407,000
Employees per establishment10.410.910.9
Payroll per employee$82,552$85,543$73,693
Establishments per 100,000 residents29.329.632.7

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 Los Angeles, CA are

Of the plumbing, heating and air-conditioning contractors in Los Angeles, CA that had employees in March 2023, 63.4% had fewer than five (the U.S. share is 58.3%). 80.9% had fewer than ten. Small teams usually share the phone: the person who answers is often also serving a customer or doing the job, which is when calls get missed.

Plumbing, heating and air-conditioning contractors in Los Angeles, CA by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees2,40563.4%58.3%
5–9 employees66417.5%18.5%
10–19 employees41010.8%11.8%
20–49 employees2055.4%7.5%
50 or more employees1092.9%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 Los Angeles, CA 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.

Calls a plumbing and HVAC contractor in Los Angeles, CA might handle in a typical week include:

Texting customers

Contractors text arrival windows, technician names and invoices.

Texts sent from a local business number in Los Angeles, CA 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.

Callata vs. per-seat pricing for plumbing, heating and air-conditioning contractors in Los Angeles, CA

The average plumbing and HVAC contractor in Los Angeles, CA has 10.4 employees, so a 10-person team is a reasonable benchmark. Priced per seat, 10 users would run $300.00 a month on RingCentral RingEX Core and $249.50 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $199.00 a month for 10 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $1,212 less than RingCentral for a plumbing and HVAC contractor in Los Angeles, CA of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 10-person plumbing and HVAC contractor
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$199.00$2,388.00
Quo (Starter)$19.00 per user$190.00$2,280.00
Nextiva (Core)$23.00 per user$230.00$2,760.00
Ooma (Office Pro)$24.95 per user$249.50$2,994.00
Dialpad (Standard)$27.00 per user$270.00$3,240.00
RingCentral (RingEX Core)$30.00 per user$300.00$3,600.00

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 Los Angeles, CA

NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 323 has the most, with 786 of 5,035 exchanges (16%). A local number lets customers in Los Angeles, CA 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 Los Angeles, CA area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
323786Pacific1998213, 738
213780Pacific1947323, 738
714777Pacific1951657
626722Pacific1997none
657643Pacific2008714
562541Pacific1997none
949454Pacific1998none
310332Pacific1991424

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 Los Angeles, CA 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 Los Angeles, CA 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 plumbing, heating and air-conditioning contractors are there in Los Angeles, CA?

Census County Business Patterns counted 3,793 plumbing, heating and air-conditioning contractors in the Los Angeles-Long Beach-Anaheim, CA metro area in 2023. They employed 39,381 people in mid-March.

What does a business phone system cost for a 10-person plumbing and HVAC contractor?

At month-to-month list prices checked September 28, 2026, 10 users cost $300.00 a month on RingCentral RingEX Core and $249.50 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $199.00.

What area code should a plumbing and HVAC contractor in Los Angeles, CA use?

Area code 323 has the most assigned exchanges among the area's named places, followed by 213 and 714. 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.