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.
| County | Population (2024) |
|---|---|
| Marion County, MO | 28,425 |
| Ralls County, MO | 10,499 |
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).
| Sector (NAICS) | Establishments | Employees | Annual payroll |
|---|---|---|---|
| Health Care and Social Assistance (62) | 158 | 3,254 | $197,599,000 |
| Retail Trade (44) | 154 | 2,004 | $62,741,000 |
| Other Services (except Public Administration) (81) | 120 | 561 | $15,197,000 |
| Accommodation and Food Services (72) | 100 | 1,245 | $25,500,000 |
| Construction (23) | 76 | 643 | $46,964,000 |
| Finance and Insurance (52) | 75 | 487 | $26,702,000 |
| Professional, Scientific, and Technical Services (54) | 59 | 284 | $13,310,000 |
| Administrative and Support and Waste Management and Remediation Services (56) | 49 | 409 | $18,005,000 |
| Manufacturing (31) | 42 | 3,052 | $189,553,000 |
| Wholesale Trade (42) | 42 | 622 | $39,751,000 |
| Transportation and Warehousing (48) | 39 | 348 | $18,491,000 |
| Real Estate and Rental and Leasing (53) | 34 | 75 | $2,268,000 |
| Arts, Entertainment, and Recreation (71) | 21 | 209 | $3,911,000 |
| Information (51) | 11 | 139 | $3,509,000 |
| Mining, Quarrying, and Oil and Gas Extraction (21) | 6 | 32 (high noise) | $2,239,000 |
| Utilities (22) | 6 | 136 (high noise) | $12,323,000 |
| Educational Services (61) | 6 | 249 (high noise) | $4,222,000 |
| Agriculture, Forestry, Fishing and Hunting (11) | 4 | 1 | $69,000 |
| Management of Companies and Enterprises (55) | 3 | 19 | $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.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 553 | 54.2% | 55.5% |
| 5–9 employees | 186 | 18.2% | 17.5% |
| 10–19 employees | 147 | 14.4% | 12.5% |
| 20–49 employees | 93 | 9.1% | 9.1% |
| 50 or more employees | 42 | 4.1% | 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.
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Agencies providing services for the elderly and persons with disabilities | 41 | 98 | 2.4 |
| Full-service restaurants | 30 | 440 | 14.7 |
| Limited-service restaurants | 30 | 527 | 17.6 |
| Insurance agencies and brokerages | 21 | 66 | 3.1 |
| Hotels and motels | 18 | 161 | 8.9 |
| General automotive repair shops | 15 | — | — |
| Physician practices | 14 | — | — |
| Law offices | 14 | 59 | 4.2 |
| New single-family housing construction contractors | 14 | — | — |
| Landscaping services | 14 | 46 | 3.3 |
| Residential remodelers | 13 | — | — |
| Automotive body, paint and interior repair shops | 11 | — | — |
| Dental offices | 10 | 158 | 15.8 |
| Site preparation contractors | 9 | — | — |
| Child day care services | 9 | 71 | 7.9 |
| Nursing care facilities | 8 | 559 | 69.9 |
| Offices of real estate agents and brokers | 8 | — | — |
| Home health care agencies | 7 | 49 | 7.0 |
| Veterinary clinics | 7 | 54 | 7.7 |
| Offices of certified public accountants | 7 | — | — |
| Electrical contractors | 7 | 88 | 12.6 |
| Janitorial services | 7 | 53 | 7.6 |
| Solid waste collection companies | 7 | 45 | 6.4 |
| New car dealers | 7 | 139 | 19.9 |
| Chiropractic offices | 6 | — | — |
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 code | Exchanges in named places | Share | Time zone |
|---|---|---|---|
| 573 | 19 | 100% | 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.
| Place | Population (2024) | Area codes | Exchanges |
|---|---|---|---|
| Hannibal, MO | 16,809 | 573 | 13 |
| Palmyra, MO | 3,644 | 573 | 3 |
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.
| Provider (plan) | Pricing basis | Per month | Per 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).