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Business phone system for custom computer programming services firms in Houston, TX

Custom computer programming services firms in the Houston-Pasadena-The Woodlands, TX metro area: 1,406 establishments in 2023, the local area codes, and what phone service costs a 9-person team.

Establishments
1,406CBP 2023
Employees
12,217mid-March 2023
Per 100k residents
18.0U.S. 20.0
Rank
13th of 563areas by count

How many custom computer programming services firms are in Houston, TX?

There were 1,406 custom computer programming services firms in the Houston-Pasadena-The Woodlands, TX metro area in 2023, according to Census County Business Patterns (NAICS 541511, Custom Computer Programming Services). They employed 12,217 people in mid-March and paid $1.4 billion in annual payroll. By establishment count the area is 13th out of 563 areas with published figures for custom computer programming services firms.

Measured against its 7.8 million residents (2024 estimate), the area has 18.0 custom computer programming services firms per 100,000 people; the U.S. rate is 20.0, so Houston, TX is 9.9% below the national figure. The average establishment here has 8.7 employees, compared with 14.9 nationally. Payroll per employee comes to $110,525, 11.0% below the national $124,254.

Custom computer programming services firms: Houston, TX compared with Texas and the U.S., 2023
MeasureHouston, TXTexasUnited States
Establishments1,4066,41168,051
Mid-March employees12,21795,6461,012,250
Annual payroll$1,350,284,000$11,687,516,000$125,775,835,000
Employees per establishment8.714.914.9
Payroll per employee$110,525$122,196$124,254
Establishments per 100,000 residents18.020.520.0

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 custom computer programming services firms in Houston, TX are

Of the custom computer programming services firms in Houston, TX that had employees in March 2023, 77.4% had fewer than five (the U.S. share is 72.0%). 85.8% 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.

Custom computer programming services firms in Houston, TX by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees1,08777.4%72.0%
5–9 employees1178.3%10.1%
10–19 employees916.5%7.0%
20–49 employees684.8%5.9%
50 or more employees412.9%4.9%

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 custom computer programming services firms in Houston, TX use the phone for

Small software shops juggle client meetings, support requests and sales calls with a team that is mostly heads-down building. A shared line with routing keeps support from interrupting developers while still answering clients.

Calls a custom software firm in Houston, TX might handle in a typical week include:

Texting clients

Firms text release notices and meeting reminders.

Team texting on Callata runs from your business number, so replies come from the practice or shop rather than someone's personal phone. It turns on after the one-time $49 carrier registration (10DLC) is approved.

What a phone system costs a custom software firm in Houston, TX

The average custom software firm in Houston, TX has 8.7 employees, so a 9-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, 9 users on RingCentral RingEX Core cost $270.00 a month and 9 on Ooma Office Pro cost $224.55. Callata comes to $179.00 a month for 9 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $1,092 less than RingCentral for a custom software firm in Houston, TX of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 9-person custom software firm
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$179.00$2,148.00
Quo (Starter)$19.00 per user$171.00$2,052.00
Nextiva (Core)$23.00 per user$207.00$2,484.00
Ooma (Office Pro)$24.95 per user$224.55$2,694.60
Dialpad (Standard)$27.00 per user$243.00$2,916.00
RingCentral (RingEX Core)$30.00 per user$270.00$3,240.00

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 Houston, TX

NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 713 has the most, with 747 of 2,385 exchanges (31%). A local number lets clients in Houston, TX 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 Houston, TX area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
713747Central1947281, 346, 621, 832
832547Central1999281, 346, 713
281393Central1996346, 621, 713, 832
346382Central2014281, 621, 713, 832
936144Central2000none
979100Central2000none
40971Central1982none
8061Central1957none

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 custom computer programming services firms

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 Houston, TX 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 custom computer programming services firms are there in Houston, TX?

Census County Business Patterns counted 1,406 custom computer programming services firms in the Houston-Pasadena-The Woodlands, TX metro area in 2023. They employed 12,217 people in mid-March.

What does a business phone system cost for a 9-person custom software firm?

At month-to-month list prices checked September 28, 2026, 9 users cost $270.00 a month on RingCentral RingEX Core and $224.55 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $179.00.

What area code should a custom software firm in Houston, TX use?

Area code 713 has the most assigned exchanges among the area's named places, followed by 832 and 281. If you already have a local number, you can port it to Callata for free.

Can an AI receptionist answer calls for a custom software 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.