CallataGuides

Oskaloosa, IA business phone guide

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

Population
22,0342024 est.
Establishments
538CBP 2023
Counties
1
Area codes
1

Oskaloosa, IA at a glance

The Oskaloosa, IA micropolitan area covers 1 county in Iowa and had 22,034 residents in July 2024, down 0.7% since April 2020. The U.S. population grew 2.6% over the same period. By population it ranks 879th of the 925 metro and micropolitan areas and 873rd by business establishments.

Counties in the Oskaloosa, IA area
CountyPopulation (2024)
Mahaska County, IA22,034

Source: Census Vintage 2024 metropolitan and micropolitan area estimates.

Oskaloosa, IA's business base

County Business Patterns counted 538 establishments in the area in 2023, employing 7,582 people in mid-March with $429.1 million in annual payroll. That is an average of 14.1 employees per establishment. 59.9% of establishments with employees had fewer than five people. By establishment count, the largest sectors are other services (except public administration) (79), retail trade (75), and construction (64).

Oskaloosa, IA establishments by sector, 2023
Sector (NAICS)EstablishmentsEmployeesAnnual payroll
Other Services (except Public Administration) (81)79300$9,150,000
Retail Trade (44)751,036$29,201,000
Construction (23)64368$20,077,000
Accommodation and Food Services (72)45561$9,197,000
Health Care and Social Assistance (62)43910$59,479,000
Transportation and Warehousing (48)37126$6,991,000
Finance and Insurance (52)35172$11,085,000
Administrative and Support and Waste Management and Remediation Services (56)30109$7,022,000
Wholesale Trade (42)29330$18,701,000
Professional, Scientific, and Technical Services (54)29123$6,439,000
Manufacturing (31)252,663$224,260,000
Real Estate and Rental and Leasing (53)1335$1,586,000
Information (51)12121 (high noise)$7,185,000
Arts, Entertainment, and Recreation (71)9108 (high noise)$1,761,000
Agriculture, Forestry, Fishing and Hunting (11)518 (high noise)$1,156,000
Educational Services (61)5545$10,769,000

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.

Oskaloosa, IA compared with the U.S.

Oskaloosa, IA has 24.4 business establishments per 1,000 residents, in line with the U.S. figure of 24.6. Establishments average 14.1 employees against 16.7 nationally, and payroll per employee is $56,601 (17.2% below the U.S. $68,342). 59.9% of establishments with employees have fewer than five people (U.S.: 55.5%), while 3.4% 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.

Oskaloosa, IA: establishments by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees32059.9%55.5%
5–9 employees10219.1%17.5%
10–19 employees6111.4%12.5%
20–49 employees336.2%9.1%
50 or more employees183.4%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.

Small-business industries in Oskaloosa, IA

Of the 141 industries these guides cover, 34 have a published Census count in Oskaloosa, IA. The largest are insurance agencies and brokerages (17), limited-service restaurants (13), and landscaping services (12). Relative to population, insurance agencies and brokerages are the most over-represented: 77.2 per 100,000 residents against 39.3 nationally.

Largest covered industries in Oskaloosa, IA, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Insurance agencies and brokerages17583.4
Limited-service restaurants1324318.7
Landscaping services12——
Full-service restaurants1115313.9
Residential remodelers10——
Site preparation contractors7——
General automotive repair shops7375.3
Beauty salons7253.6
Electrical contractors6——
General freight trucking companies (local)6——
Dental offices5479.4
Chiropractic offices5——
Veterinary clinics5122.4
Plumbing, heating and air-conditioning contractors58016.0
Poured concrete foundation and structure contractors5——
New single-family housing construction contractors5——
Used car dealers5122.4
Law offices4——
Management consulting firms4——
Offices of real estate agents and brokers4——
Engineering services firms4379.3
All other specialty trade contractors4——
Automotive body, paint and interior repair shops4——
Hotels and motels44110.3
Supermarkets and grocery stores428471.0

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

Which area codes serve Oskaloosa, IA

The area's named cities and towns have 20 NANPA-assigned exchanges across 1 area code; 641 has the most (100%). Callata includes up to 3 local numbers, so a business serving several parts of the area can hold a number in each.

Area codes in the Oskaloosa, IA area
Area codeExchanges in named placesShareTime zone
64120100%Central

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

Local numbers by city

Pages for 2 cities and towns in the area list their area codes, prefixes and carriers.

Cities and towns in the Oskaloosa, IA area
PlacePopulation (2024)Area codesExchanges
Oskaloosa, IA11,57564112
New Sharon, IA1,2496412

Phone costs for a typical Oskaloosa, IA business

Per-seat phone plans multiply by headcount. For the rounded average establishment size in Oskaloosa, IA, 14 users on RingCentral RingEX Core come to $420.00 a month and on Ooma Office Pro $349.30, at month-to-month list prices checked September 28, 2026. Callata comes to $279.00 a month for 14 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 14-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$279.00$3,348.00
Quo (Starter)$19.00 per user$266.00$3,192.00
Nextiva (Core)$23.00 per user$322.00$3,864.00
Ooma (Office Pro)$24.95 per user$349.30$4,191.60
Dialpad (Standard)$27.00 per user$378.00$4,536.00
RingCentral (RingEX Core)$30.00 per user$420.00$5,040.00

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 Oskaloosa, IA

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Oskaloosa, IA 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

What area codes serve Oskaloosa, IA?

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

How many businesses are in the Oskaloosa, IA area?

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

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

Callata is $99 a month with 5 users included, then $20 per additional user; for a 14-person team that is $279.00 a month. The same team on Ooma Office Pro lists at $349.30 a month (checked September 28, 2026).