CallataGuides

Iowa business phone guide

Area codes, carriers, business counts by sector and industry, and metro areas in Iowa, from NANPA and Census data.

Population
3.2 million2024 est.
Establishments
83,321CBP 2023
Area codes
5
Exchanges
2,748NANPA-assigned

Iowa by the numbers

Iowa had 3.2 million residents in the Census Bureau's July 2024 estimate, up 1.6% from April 2020. The U.S. population grew 2.6% over the same period. County Business Patterns counted 83,321 business establishments in the state in 2023 with 1,415,652 mid-March employees and $79.8 billion in annual payroll. The average establishment has 17.0 employees. 52.9% of establishments with employees had fewer than five people. The three largest sectors by establishments are retail trade (10,970), other services (except public administration) (9,184), and health care and social assistance (9,092).

Iowa establishments by sector, 2023
Sector (NAICS)EstablishmentsEmployeesAnnual payroll
Retail Trade (44)10,970187,097$5,883,109,000
Other Services (except Public Administration) (81)9,18450,391$1,795,944,000
Health Care and Social Assistance (62)9,092220,971$12,249,920,000
Construction (23)9,06774,180$5,609,701,000
Accommodation and Food Services (72)7,512123,699$2,612,254,000
Professional, Scientific, and Technical Services (54)6,47465,271$5,113,142,000
Finance and Insurance (52)5,833101,557$9,586,259,000
Wholesale Trade (42)4,68670,206$5,166,262,000
Transportation and Warehousing (48)4,02371,907$3,962,254,000
Administrative and Support and Waste Management and Remediation Services (56)4,01599,027$4,453,200,000
Real Estate and Rental and Leasing (53)3,57915,669$869,873,000
Manufacturing (31)3,418224,293$15,604,079,000
Information (51)1,61523,918$1,824,709,000
Arts, Entertainment, and Recreation (71)1,50017,406$387,834,000
Educational Services (61)85232,516$1,051,660,000
Management of Companies and Enterprises (55)49024,662$2,378,442,000
Agriculture, Forestry, Fishing and Hunting (11)3912,738$185,796,000
Utilities (22)3447,627$856,124,000
Mining, Quarrying, and Oil and Gas Extraction (21)1882,350$169,423,000

Source: Census County Business Patterns 2023, two-digit NAICS sectors. Manufacturing, retail and transportation span several two-digit codes; CBP reports them under 31, 44 and 48.

Business density and team size in Iowa

Iowa has 25.7 business establishments per 1,000 residents, 4.6% above the U.S. figure of 24.6. Establishments average 17.0 employees against 16.7 nationally, and payroll per employee is $56,344 (17.6% below the U.S. $68,342). 52.9% of establishments with employees have fewer than five people (U.S.: 55.5%), while 5.4% have 50 or more. Because a handful of large employers lift the average, the share of very small establishments says more about who buys a small-business phone system.

Iowa: establishments by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees44,07852.9%55.5%
5–9 employees15,59018.7%17.5%
10–19 employees11,34413.6%12.5%
20–49 employees7,7929.4%9.1%
50 or more employees4,5175.4%5.4%

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.

Area codes in Iowa

NANPA lists 5 geographic area codes in service in Iowa, with 2,748 central office codes assigned across 811 rate centers and held by 254 carriers. 712 has the most assigned codes (633). The newest in service is 563, since March 25, 2001.

Area codes in Iowa
Area codeIn service sinceOverlay withTime zoneAssigned codesCarriers
7121947noneCentral633114
6412000noneCentral58473
5151947noneCentral57872
3191947noneCentral56586
5632001noneCentral38874

Source: NANPA, files dated 10/01/2026.

Small-business industries in Iowa

Among the 141 phone-heavy small-business industries these guides cover, the largest in Iowa by establishment count are full-service restaurants (2,459), limited-service restaurants (2,095), and insurance agencies and brokerages (1,993). Each links to a page with metro breakdowns, team sizes and phone costs for that industry in Iowa.

Largest covered industries in Iowa, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants2,45944,03217.9
Limited-service restaurants2,09541,15219.6
Insurance agencies and brokerages1,9939,8394.9
Landscaping services1,2427,4936.0
Law offices1,2126,2165.1
Offices of real estate agents and brokers1,1952,2931.9
Residential remodelers1,1563,3322.9
Plumbing, heating and air-conditioning contractors1,10814,64713.2
General automotive repair shops1,0854,9864.6
Physician practices1,03323,10222.4
Dental offices1,0308,7288.5
Electrical contractors90211,75513.0
Child day care services89513,05114.6
Chiropractic offices8722,5292.9
Drinking places8676,2257.2
Beauty salons7963,2504.1
Hotels and motels72911,94416.4
Site preparation contractors7215,0307.0
New single-family housing construction contractors6651,9873.0
Janitorial services64710,29615.9
Supermarkets and grocery stores61546,56175.7
General freight trucking companies (local)5823,4245.9
Poured concrete foundation and structure contractors5592,8455.1
Management consulting firms5253,6266.9
Physical, occupational and speech therapy clinics5014,5239.0

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

Metro and micropolitan areas

24 Census metro or micropolitan areas include part of Iowa. The largest is Omaha, NE-IA with 1.0 million residents.

Metro and micropolitan areas in Iowa
AreaTypePopulation (2024)Establishments (2023)
Omaha, NE-IAMetro1,001,01025,290
Des Moines, IAMetro753,91318,946
Davenport, IA-ILMetro381,8018,812
Cedar Rapids, IAMetro278,6776,793
Iowa City, IAMetro182,7114,177
Waterloo, IAMetro170,0813,956
Sioux City, IA-NE-SDMetro145,9943,604
Ames, IAMetro129,2272,765
Dubuque, IAMetro99,2422,804
Mason City, IAMicro49,8001,520
Clinton, IAMicro46,0151,122
Burlington, IA-ILMicro44,4591,170
Muscatine, IAMicro42,132949
Marshalltown, IAMicro40,392786
Fort Dodge, IAMicro36,909997
Ottumwa, IAMicro35,681699
Pella, IAMicro34,048859
Fort Madison, IAMicro32,376786
Le Mars, IAMicro25,825667
Oskaloosa, IAMicro22,034538
Storm Lake, IAMicro20,816491
Carroll, IAMicro20,407827
Spirit Lake, IAMicro18,158784
Spencer, IAMicro16,474570

Multi-state areas show their full population and establishment count. Sources: Census Vintage 2024 estimates; CBP 2023.

Choosing an area code in Iowa

2 of Iowa's 5 area codes require ten-digit dialing for local calls; in the others NANPA still lists seven-digit local dialing. None of Iowa's area codes is in an overlay, so each code maps to its own territory. A business that serves one city usually takes a number in that city's dominant code; one that covers a region can hold up to 3 local numbers on Callata's plan.

Largest Iowa cities for local numbers

226 Iowa cities and towns have their own local-number page. The most populous are Des Moines (515), Cedar Rapids (319), Davenport (563), and Sioux City (712).

Most populous Iowa places with local-number pages
PlacePopulation (2024)Area codesExchangesCarriers
Des Moines, IA213,09651525735
Cedar Rapids, IA137,90431911032
Davenport, IA100,9385637932
Sioux City, IA86,8757127329
Iowa City, IA76,7103195015
Ames, IA69,026515399
Waterloo, IA67,4773194713
Council Bluffs, IA62,6657122914
Dubuque, IA58,9875633610
Cedar Falls, IA41,417319136
Marshalltown, IA27,886641169
Mason City, IA26,948641208
Ottumwa, IA25,648641157
Fort Dodge, IA24,886515148
Clinton, IA24,1185631811

Population: Census Vintage 2024 estimates for the matched place. Exchanges and carriers: NANPA utilized code file.

What phone service costs a Iowa business

A 17-person team is the benchmark here, the rounded average establishment size in Iowa. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.

Monthly list price for a 17-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$339.00$4,068.00
Quo (Starter)$19.00 per user$323.00$3,876.00
Nextiva (Core)$23.00 per user$391.00$4,692.00
Ooma (Office Pro)$24.95 per user$424.15$5,089.80
Dialpad (Standard)$27.00 per user$459.00$5,508.00
RingCentral (RingEX Core)$30.00 per user$510.00$6,120.00

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.

Callata in Iowa

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.

If you already have a number in Iowa, 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 area codes does Iowa have?

5 geographic area codes in service: 319, 515, 563, 641, and 712.

How many businesses are in Iowa?

County Business Patterns counted 83,321 establishments with paid employees in 2023.

What does a business phone system cost in Iowa?

Callata is $99 a month with 5 users included, then $20 per additional user, so a 17-person team pays $339.00 a month. The same team on RingCentral RingEX Core lists at $510.00 a month (checked September 28, 2026).