CallataGuides

Hannibal, MO business phone guide

Population, businesses by sector and industry, area codes and local numbers for the Hannibal, MO micropolitan area.

Population
38,9242024 est.
Establishments
1,023CBP 2023
Counties
2
Area codes
1

The Hannibal, MO area

The Hannibal, MO micropolitan area covers 2 counties in Missouri and had 38,924 residents in July 2024, up 0.1% since April 2020. The U.S. population grew 2.6% over the same period. Marion County, MO is the most populous, with 28,425 people. By population it ranks 717th of the 925 metro and micropolitan areas and 657th by business establishments.

Counties in the Hannibal, MO area
CountyPopulation (2024)
Marion County, MO28,425
Ralls County, MO10,499

Source: Census Vintage 2024 metropolitan and micropolitan area estimates.

Businesses in Hannibal, MO

County Business Patterns counted 1,023 establishments in the area in 2023, employing 13,779 people in mid-March with $683.8 million in annual payroll. That is an average of 13.5 employees per establishment. 54.2% of establishments with employees had fewer than five people. By establishment count, the largest sectors are health care and social assistance (158), retail trade (154), and other services (except public administration) (120).

Hannibal, MO establishments by sector, 2023
Sector (NAICS)EstablishmentsEmployeesAnnual payroll
Health Care and Social Assistance (62)1583,254$197,599,000
Retail Trade (44)1542,004$62,741,000
Other Services (except Public Administration) (81)120561$15,197,000
Accommodation and Food Services (72)1001,245$25,500,000
Construction (23)76643$46,964,000
Finance and Insurance (52)75487$26,702,000
Professional, Scientific, and Technical Services (54)59284$13,310,000
Administrative and Support and Waste Management and Remediation Services (56)49409$18,005,000
Manufacturing (31)423,052$189,553,000
Wholesale Trade (42)42622$39,751,000
Transportation and Warehousing (48)39348$18,491,000
Real Estate and Rental and Leasing (53)3475$2,268,000
Arts, Entertainment, and Recreation (71)21209$3,911,000
Information (51)11139$3,509,000
Mining, Quarrying, and Oil and Gas Extraction (21)632 (high noise)$2,239,000
Utilities (22)6136 (high noise)$12,323,000
Educational Services (61)6249 (high noise)$4,222,000
Agriculture, Forestry, Fishing and Hunting (11)41$69,000
Management of Companies and Enterprises (55)319$1,259,000

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 Hannibal, MO

Hannibal, MO has 26.3 business establishments per 1,000 residents, 6.9% above the U.S. figure of 24.6. Establishments average 13.5 employees against 16.7 nationally, and payroll per employee is $49,625 (27.4% below the U.S. $68,342). 54.2% of establishments with employees have fewer than five people (U.S.: 55.5%), while 4.1% have 50 or more. Averages are pulled up by large employers; the size table is the better guide to what a typical business here looks like.

Hannibal, MO: establishments by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees55354.2%55.5%
5–9 employees18618.2%17.5%
10–19 employees14714.4%12.5%
20–49 employees939.1%9.1%
50 or more employees424.1%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 Hannibal, MO

Of the 141 industries these guides cover, 54 have a published Census count in Hannibal, MO. The largest are agencies providing services for the elderly and persons with disabilities (41), full-service restaurants (30), and limited-service restaurants (30). Relative to population, agencies providing services for the elderly and persons with disabilities are the most over-represented: 105.3 per 100,000 residents against 11.8 nationally.

Largest covered industries in Hannibal, MO, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Agencies providing services for the elderly and persons with disabilities41982.4
Full-service restaurants3044014.7
Limited-service restaurants3052717.6
Insurance agencies and brokerages21663.1
Hotels and motels181618.9
General automotive repair shops15——
Physician practices14——
Law offices14594.2
New single-family housing construction contractors14——
Landscaping services14463.3
Residential remodelers13——
Automotive body, paint and interior repair shops11——
Dental offices1015815.8
Site preparation contractors9——
Child day care services9717.9
Nursing care facilities855969.9
Offices of real estate agents and brokers8——
Home health care agencies7497.0
Veterinary clinics7547.7
Offices of certified public accountants7——
Electrical contractors78812.6
Janitorial services7537.6
Solid waste collection companies7456.4
New car dealers713919.9
Chiropractic offices6——

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

Phone numbers in the Hannibal, MO area

The area's named cities and towns have 19 NANPA-assigned exchanges across 1 area code; 573 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 Hannibal, MO area
Area codeExchanges in named placesShareTime zone
57319100%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 Hannibal, MO area
PlacePopulation (2024)Area codesExchanges
Hannibal, MO16,80957313
Palmyra, MO3,6445733

Phone costs for a typical Hannibal, MO business

A 13-person team is the benchmark here, the rounded average establishment size in Hannibal, MO. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $390.00 a month and Ooma Office Pro $324.35. On Callata the same 13 people cost $259.00 a month, less than either per-seat plan.

Monthly list price for a 13-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$259.00$3,108.00
Quo (Starter)$19.00 per user$247.00$2,964.00
Nextiva (Core)$23.00 per user$299.00$3,588.00
Ooma (Office Pro)$24.95 per user$324.35$3,892.20
Dialpad (Standard)$27.00 per user$351.00$4,212.00
RingCentral (RingEX Core)$30.00 per user$390.00$4,680.00

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 Hannibal, MO

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 Hannibal, MO, 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 Hannibal, MO?

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

How many businesses are in the Hannibal, MO area?

1,023 establishments in 2023, according to Census County Business Patterns.

How much does a business phone system cost in Hannibal, MO?

Callata is $99 a month with 5 users included, then $20 per additional user; for a 13-person team that is $259.00 a month. The same team on Ooma Office Pro lists at $324.35 a month (checked September 28, 2026).