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Business phone system for computer systems design services firms in Iowa

281 computer systems design services firms operated in Iowa in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
281CBP 2023
Employees
2,161mid-March 2023
Per 100k residents
8.7U.S. 17.1
State rank
35th of 51by count

How many computer systems design services firms operate in Iowa

The Census Bureau counted 281 computer systems design services firms in Iowa in its 2023 County Business Patterns (NAICS 541512). They employed 2,161 people in mid-March and reported $167.8 million in annual payroll. That is the 35th highest count among the 51 states and DC with published figures. Computer systems design services firms make up 0.34% of the 83,321 business establishments in the state.

Per 100,000 residents (2024 estimate) Iowa has 8.7 computer systems design services firms, 49.3% below the national rate of 17.1. The average establishment has 7.7 employees against 13.2 nationally. Payroll per employee is $77,629, 36.5% below the U.S. figure of $122,171.

Computer systems design services firms: Iowa compared with the U.S., 2023
MeasureIowaUnited States
Establishments28158,113
Mid-March employees2,161 (moderate noise)766,160
Annual payroll$167,756,000 (moderate noise)$93,602,442,000
Employees per establishment7.713.2
Payroll per employee$77,629$122,171
Establishments per 100,000 residents8.717.1

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.

Where computer systems design services firms in Iowa are concentrated

Census published IT services firm counts for 10 metro or micropolitan areas that include part of Iowa. The largest is Omaha, NE-IA, with 146 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 72% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Computer systems design services firms by metro or micropolitan area, Iowa, 2023
AreaEstablishmentsEmployeesPer 100k residents
Omaha, NE-IA1462,00814.6
Des Moines, IA12884817.0
Cedar Rapids, IA3134011.1
Davenport, IA-IL25—6.5
Iowa City, IA161088.8
Dubuque, IA113511.1
Ames, IA8226.2
Sioux City, IA-NE-SD5—3.4
Waterloo, IA4132.4
Spencer, IA3—18.2

Source: Census County Business Patterns 2023; population from Census Vintage 2024 estimates.

Team sizes at computer systems design services firms in Iowa

75.1% of Iowa's computer systems design services firms with employees had fewer than five people in March 2023, compared with 74.5% nationally. 86.5% had fewer than ten. At that size the phone is shared, so routing (who rings, when, and what happens after hours) matters more than the number of desk phones.

Computer systems design services firms in Iowa by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees21175.1%74.5%
5–9 employees3211.4%9.7%
10–19 employees186.4%6.5%
20–49 employees93.2%5.0%
50 or more employees113.9%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.

What computer systems design services firms in Iowa use the phone for

Managed IT and systems integration firms field support calls that range from a forgotten password to a server outage. Clients judge them by how quickly someone answers when something breaks.

Calls an IT services firm in Iowa might handle in a typical week include:

Business texting for computer systems design services firms

IT firms text maintenance windows and ticket updates.

Texting from a local number in Iowa requires carrier registration (10DLC), a one-time $49 fee on Callata.

Phone system pricing for an 8-person IT services firm

Computer systems design services firms in Iowa average 7.7 employees, so the comparison uses an 8-person team. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 8 users on RingCentral RingEX Core cost $240.00 a month and 8 on Ooma Office Pro cost $199.60. Callata comes to $159.00 a month for 8 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $972 less than RingCentral for an IT services firm in Iowa of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for an 8-person IT services firm
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$159.00$1,908.00
Quo (Starter)$19.00 per user$152.00$1,824.00
Nextiva (Core)$23.00 per user$184.00$2,208.00
Ooma (Office Pro)$24.95 per user$199.60$2,395.20
Dialpad (Standard)$27.00 per user$216.00$2,592.00
RingCentral (RingEX Core)$30.00 per user$240.00$2,880.00

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.

Area codes in Iowa

Iowa has 5 geographic area codes in service according to NANPA. Callata includes up to 3 local numbers, so an IT services firm can hold a number in more than one of them.

Area codes in Iowa by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
712633Central1947none
641584Central2000none
515578Central1947none
319565Central1947none
563388Central2001none

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 computer systems design services firms in Iowa

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.

Porting a number you already use in Iowa 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 computer systems design services firms are in Iowa?

281 in 2023, according to Census County Business Patterns. They employed 2,161 people in mid-March.

Which Iowa metro area has the most computer systems design services firms?

Omaha, NE-IA, with 146 establishments in 2023.

What does a phone system cost an 8-person IT services firm?

$240.00 a month on RingCentral RingEX Core or $199.60 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $159.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

Do I need to register to text customers from a Iowa number?

Yes. US carriers require business texting from local numbers to be registered (10DLC). On Callata the registration is a one-time $49 fee, and texting turns on once it is approved.