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Ottumwa, IA business phone guide

Population, businesses by sector and industry, area codes and local numbers for the Ottumwa, IA micropolitan area.

Population
35,6812024 est.
Establishments
699CBP 2023
Counties
1
Area codes
1

Ottumwa, IA at a glance

The Ottumwa, IA micropolitan area covers 1 county in Iowa and had 35,681 residents in July 2024, up 0.7% since April 2020. The U.S. population grew 2.6% over the same period. By population it ranks 773rd of the 925 metro and micropolitan areas and 812th by business establishments.

Counties in the Ottumwa, IA area
CountyPopulation (2024)
Wapello County, IA35,681

Source: Census Vintage 2024 metropolitan and micropolitan area estimates.

Businesses in Ottumwa, IA

County Business Patterns counted 699 establishments in the area in 2023, employing 12,594 people in mid-March with $625.1 million in annual payroll. That is an average of 18.0 employees per establishment. 47.6% of establishments with employees had fewer than five people. By establishment count, the largest sectors are retail trade (115), health care and social assistance (98), and other services (except public administration) (77).

Ottumwa, IA establishments by sector, 2023
Sector (NAICS)EstablishmentsEmployeesAnnual payroll
Retail Trade (44)1152,131$64,607,000
Health Care and Social Assistance (62)982,130$100,520,000
Other Services (except Public Administration) (81)77314$9,272,000
Accommodation and Food Services (72)721,147$20,570,000
Construction (23)58620$50,013,000
Finance and Insurance (52)49342$22,235,000
Administrative and Support and Waste Management and Remediation Services (56)40938 (high noise)$32,339,000
Professional, Scientific, and Technical Services (54)34194$8,883,000
Wholesale Trade (42)32268$17,330,000
Transportation and Warehousing (48)32553$27,644,000
Manufacturing (31)263,203 (high noise)$229,449,000
Real Estate and Rental and Leasing (53)22142$6,082,000
Information (51)13121$6,363,000
Arts, Entertainment, and Recreation (71)12138$2,639,000
Educational Services (61)757$1,126,000
Management of Companies and Enterprises (55)593$7,717,000
Utilities (22)4159$16,198,000

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.

How Ottumwa, IA's businesses compare

Ottumwa, IA has 19.6 business establishments per 1,000 residents, 20.3% below the U.S. figure of 24.6. Establishments average 18.0 employees against 16.7 nationally, and payroll per employee is $49,634 (27.4% below the U.S. $68,342). 47.6% of establishments with employees have fewer than five people (U.S.: 55.5%), while 5.2% have 50 or more. Most establishments are far smaller than the average suggests, so it pays to price a phone plan at the headcount you actually have rather than the average.

Ottumwa, IA: establishments by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees33147.6%55.5%
5–9 employees16423.6%17.5%
10–19 employees10114.5%12.5%
20–49 employees649.2%9.1%
50 or more employees365.2%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.

Small-business industries in Ottumwa, IA

Of the 141 industries these guides cover, 46 have a published Census count in Ottumwa, IA. The largest are limited-service restaurants (24), full-service restaurants (23), and insurance agencies and brokerages (17). Relative to population, hotels and motels are the most over-represented: 28.0 per 100,000 residents against 16.4 nationally.

Largest covered industries in Ottumwa, IA, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants2454722.8
Full-service restaurants2334515.0
Insurance agencies and brokerages17603.5
Plumbing, heating and air-conditioning contractors11——
Residential remodelers11252.3
Dental offices10696.9
Hotels and motels1014814.8
Law offices9——
Chiropractic offices8263.3
Landscaping services8222.8
Janitorial services8——
Electrical contractors7192.7
General automotive repair shops7——
Beauty salons7——
Physician practices6——
Agencies providing services for the elderly and persons with disabilities617028.3
Offices of certified public accountants6416.8
Poured concrete foundation and structure contractors6——
General freight trucking companies (local)66310.5
Pharmacies and drug stores511322.6
Offices of real estate agents and brokers5——
Used car dealers5204.0
Supermarkets and grocery stores5——
Physical, occupational and speech therapy clinics4225.5
Podiatry practices4——

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

Area codes in Ottumwa, IA

The area's named cities and towns have 25 NANPA-assigned exchanges across 1 area code; 641 has the most (100%). A local number in the code your customers know is the simplest signal that you are nearby; Callata's plan includes up to 3.

Area codes in the Ottumwa, IA area
Area codeExchanges in named placesShareTime zone
64125100%Central

Exchanges in rate centers matched to Census places in the area. Source: NANPA.

Local numbers by city

Pages for 1 cities and towns in the area list their area codes, prefixes and carriers.

Cities and towns in the Ottumwa, IA area
PlacePopulation (2024)Area codesExchanges
Ottumwa, IA25,64864115

Phone costs for a typical Ottumwa, IA business

The comparison below uses 18 users, the rounded average establishment size in Ottumwa, IA. At list prices checked September 28, 2026, that is $449.10 a month on Ooma Office Pro and $540.00 on RingCentral RingEX Core. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.

Monthly list price for an 18-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$359.00$4,308.00
Quo (Starter)$19.00 per user$342.00$4,104.00
Nextiva (Core)$23.00 per user$414.00$4,968.00
Ooma (Office Pro)$24.95 per user$449.10$5,389.20
Dialpad (Standard)$27.00 per user$486.00$5,832.00
RingCentral (RingEX Core)$30.00 per user$540.00$6,480.00

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 Ottumwa, IA

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 Ottumwa, 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

What area codes serve Ottumwa, IA?

641, by NANPA-assigned exchanges in the area's named places.

How many businesses are in the Ottumwa, IA area?

699 establishments in 2023, according to Census County Business Patterns.

How much does a business phone system cost in Ottumwa, IA?

Callata is $99 a month with 5 users included, then $20 per additional user; for an 18-person team that is $359.00 a month. The same team on Ooma Office Pro lists at $449.10 a month (checked September 28, 2026).