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Spencer, IA business phone guide

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

Population
16,4742024 est.
Establishments
570CBP 2023
Counties
1
Area codes
1

Spencer, IA at a glance

The Spencer, IA micropolitan area covers 1 county in Iowa and had 16,474 residents in July 2024, up 0.6% since April 2020. The U.S. population grew 2.6% over the same period. By population it ranks 916th of the 925 metro and micropolitan areas and 861st by business establishments.

Counties in the Spencer, IA area
CountyPopulation (2024)
Clay County, IA16,474

Source: Census Vintage 2024 metropolitan and micropolitan area estimates.

Establishments and employment in Spencer, IA

County Business Patterns counted 570 establishments in the area in 2023, employing 7,012 people in mid-March with $334.8 million in annual payroll. That is an average of 12.3 employees per establishment. 49.3% of establishments with employees had fewer than five people. By establishment count, the largest sectors are retail trade (94), construction (65), and health care and social assistance (57).

Spencer, IA establishments by sector, 2023
Sector (NAICS)EstablishmentsEmployeesAnnual payroll
Retail Trade (44)941,373$44,287,000
Construction (23)65334$19,093,000
Health Care and Social Assistance (62)571,349$89,681,000
Other Services (except Public Administration) (81)51307$9,058,000
Wholesale Trade (42)49622$39,788,000
Accommodation and Food Services (72)48535$10,929,000
Finance and Insurance (52)33267$18,662,000
Professional, Scientific, and Technical Services (54)33166$10,642,000
Transportation and Warehousing (48)29366 (high noise)$17,584,000
Manufacturing (31)28725$44,867,000
Real Estate and Rental and Leasing (53)25147$6,187,000
Administrative and Support and Waste Management and Remediation Services (56)19322 (high noise)$5,992,000
Information (51)14134$6,936,000
Arts, Entertainment, and Recreation (71)9198 (high noise)$2,901,000
Agriculture, Forestry, Fishing and Hunting (11)540 (high noise)$1,629,000
Utilities (22)444$4,213,000
Educational Services (61)476 (high noise)$2,046,000

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.

Spencer, IA compared with the U.S.

Spencer, IA has 34.6 business establishments per 1,000 residents, 40.7% above the U.S. figure of 24.6. Establishments average 12.3 employees against 16.7 nationally, and payroll per employee is $47,752 (30.1% below the U.S. $68,342). 49.3% of establishments with employees have fewer than five people (U.S.: 55.5%), while 4.4% 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.

Spencer, IA: establishments by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees28049.3%55.5%
5–9 employees13523.8%17.5%
10–19 employees7713.6%12.5%
20–49 employees519.0%9.1%
50 or more employees254.4%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 Spencer, IA

Of the 141 industries these guides cover, 35 have a published Census count in Spencer, IA. The largest are limited-service restaurants (15), full-service restaurants (14), and insurance agencies and brokerages (11). Relative to population, insurance agencies and brokerages are the most over-represented: 66.8 per 100,000 residents against 39.3 nationally.

Largest covered industries in Spencer, IA, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants1521414.3
Full-service restaurants1419714.1
Insurance agencies and brokerages11232.1
Physician practices9——
Drywall and insulation contractors8455.6
Residential remodelers8——
Electrical contractors7314.4
Site preparation contractors7304.3
New single-family housing construction contractors7162.3
Landscaping services7628.9
Dental offices66510.8
Law offices6203.3
Plumbing, heating and air-conditioning contractors6——
Hotels and motels6——
Chiropractic offices5——
Automotive parts and accessories stores5224.4
Sporting goods stores5275.4
Optometry practices4——
Physical, occupational and speech therapy clinics4287.0
Offices of certified public accountants45112.8
Offices of real estate agents and brokers4——
General freight trucking companies (local)4——
Gift, novelty and souvenir stores4112.8
Home health care agencies3——
Agencies providing services for the elderly and persons with disabilities35016.7

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

Phone numbers in the Spencer, IA area

The area's named cities and towns have 18 NANPA-assigned exchanges across 1 area code; 712 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 Spencer, IA area
Area codeExchanges in named placesShareTime zone
71218100%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 Spencer, IA area
PlacePopulation (2024)Area codesExchanges
Spencer, IA11,41871211

Phone costs for a typical Spencer, IA business

Per-seat phone plans multiply by headcount. For the rounded average establishment size in Spencer, IA, 12 users on RingCentral RingEX Core come to $360.00 a month and on Ooma Office Pro $299.40, at month-to-month list prices checked September 28, 2026. Callata comes to $239.00 a month for 12 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 12-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$239.00$2,868.00
Quo (Starter)$19.00 per user$228.00$2,736.00
Nextiva (Core)$23.00 per user$276.00$3,312.00
Ooma (Office Pro)$24.95 per user$299.40$3,592.80
Dialpad (Standard)$27.00 per user$324.00$3,888.00
RingCentral (RingEX Core)$30.00 per user$360.00$4,320.00

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 Spencer, IA

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 Spencer, 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 Spencer, IA?

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

How many businesses are in the Spencer, IA area?

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

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

Callata is $99 a month with 5 users included, then $20 per additional user; for a 12-person team that is $239.00 a month. The same team on Ooma Office Pro lists at $299.40 a month (checked September 28, 2026).