Warrensburg, MO business phone guide
Population, businesses by sector and industry, area codes and local numbers for the Warrensburg, MO micropolitan area.
- Population
- 55,8802024 est.
- Establishments
- 951CBP 2023
- Counties
- 1
- Area codes
- 2
About the Warrensburg, MO micropolitan area
The Warrensburg, MO micropolitan area covers 1 county in Missouri and had 55,880 residents in July 2024, up 3.5% since April 2020. The U.S. population grew 2.6% over the same period. By population it ranks 575th of the 925 metro and micropolitan areas and 693rd by business establishments.
| County | Population (2024) |
|---|---|
| Johnson County, MO | 55,880 |
Source: Census Vintage 2024 metropolitan and micropolitan area estimates.
Businesses in Warrensburg, MO
County Business Patterns counted 951 establishments in the area in 2023, employing 10,744 people in mid-March with $440.9 million in annual payroll. That is an average of 11.3 employees per establishment. 57.9% of establishments with employees had fewer than five people. By establishment count, the largest sectors are construction (133), retail trade (124), and health care and social assistance (123).
| Sector (NAICS) | Establishments | Employees | Annual payroll |
|---|---|---|---|
| Construction (23) | 133 | 454 | $22,007,000 |
| Retail Trade (44) | 124 | 1,810 | $53,638,000 |
| Health Care and Social Assistance (62) | 123 | 2,288 | $126,237,000 |
| Other Services (except Public Administration) (81) | 119 | 406 | $8,898,000 |
| Accommodation and Food Services (72) | 97 | 1,751 | $32,314,000 |
| Professional, Scientific, and Technical Services (54) | 65 | 402 | $24,414,000 |
| Finance and Insurance (52) | 53 | 260 | $15,106,000 |
| Real Estate and Rental and Leasing (53) | 48 | 122 | $6,168,000 |
| Administrative and Support and Waste Management and Remediation Services (56) | 48 | 222 | $8,149,000 |
| Manufacturing (31) | 37 | 1,580 | $82,907,000 |
| Transportation and Warehousing (48) | 36 | 819 (high noise) | $33,002,000 |
| Wholesale Trade (42) | 23 | 156 | $6,884,000 |
| Information (51) | 17 | 103 (high noise) | $3,672,000 |
| Educational Services (61) | 11 | 179 | $3,121,000 |
| Arts, Entertainment, and Recreation (71) | 7 | 78 (high noise) | $2,714,000 |
| Utilities (22) | 6 | 100 | $10,883,000 |
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.
Warrensburg, MO compared with the U.S.
Warrensburg, MO has 17.0 business establishments per 1,000 residents, 30.8% below the U.S. figure of 24.6. Establishments average 11.3 employees against 16.7 nationally, and payroll per employee is $41,037 (40.0% below the U.S. $68,342). 57.9% of establishments with employees have fewer than five people (U.S.: 55.5%), while 3.4% 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.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 549 | 57.9% | 55.5% |
| 5–9 employees | 177 | 18.7% | 17.5% |
| 10–19 employees | 126 | 13.3% | 12.5% |
| 20–49 employees | 65 | 6.8% | 9.1% |
| 50 or more employees | 32 | 3.4% | 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 Warrensburg, MO
Of the 141 industries these guides cover, 60 have a published Census count in Warrensburg, MO. The largest are limited-service restaurants (36), full-service restaurants (30), and plumbing, heating and air-conditioning contractors (22). Relative to population, agencies providing services for the elderly and persons with disabilities are the most over-represented: 19.7 per 100,000 residents against 11.8 nationally.
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 36 | 751 | 20.9 |
| Full-service restaurants | 30 | 598 | 19.9 |
| Plumbing, heating and air-conditioning contractors | 22 | 133 | 6.0 |
| Insurance agencies and brokerages | 21 | 57 | 2.7 |
| Landscaping services | 18 | 62 | 3.4 |
| Physician practices | 15 | 74 | 4.9 |
| Offices of real estate agents and brokers | 15 | — | — |
| Child day care services | 15 | 134 | 8.9 |
| Electrical contractors | 13 | 53 | 4.1 |
| Residential remodelers | 13 | 31 | 2.4 |
| New single-family housing construction contractors | 13 | — | — |
| Law offices | 12 | — | — |
| Agencies providing services for the elderly and persons with disabilities | 11 | 103 | 9.4 |
| General automotive repair shops | 11 | 33 | 3.0 |
| Dental offices | 9 | 71 | 7.9 |
| Physical, occupational and speech therapy clinics | 9 | 74 | 8.2 |
| Computer systems design services firms | 9 | 154 | 17.1 |
| Nursing care facilities | 8 | 349 | 43.6 |
| Finish carpentry contractors | 8 | — | — |
| Site preparation contractors | 8 | — | — |
| All other specialty trade contractors | 8 | — | — |
| Hotels and motels | 8 | 106 | 13.3 |
| Residential property managers | 7 | 25 | 3.6 |
| Janitorial services | 7 | 30 | 4.3 |
| Beauty salons | 7 | 25 | 3.6 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Area codes in Warrensburg, MO
The area's named cities and towns have 37 NANPA-assigned exchanges across 2 area codes; 660 has the most (76%). Callata includes up to 3 local numbers, so a business serving several parts of the area can hold a number in each.
Local numbers by city
Pages for 3 cities and towns in the area list their area codes, prefixes and carriers.
| Place | Population (2024) | Area codes | Exchanges |
|---|---|---|---|
| Warrensburg, MO | 19,998 | 660 | 14 |
| Knob Noster, MO | 2,932 | 660 | 4 |
| Holden, MO | 2,309 | 816 | 5 |
Phone costs for a typical Warrensburg, MO business
The comparison below uses 11 users, the rounded average establishment size in Warrensburg, MO. At list prices checked September 28, 2026, that is $274.45 a month on Ooma Office Pro and $330.00 on RingCentral RingEX Core. Callata comes to $219.00 a month for 11 users ($99 a month with 5 users included, then $20 per additional user), below both.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $219.00 | $2,628.00 |
| Quo (Starter) | $19.00 per user | $209.00 | $2,508.00 |
| Nextiva (Core) | $23.00 per user | $253.00 | $3,036.00 |
| Ooma (Office Pro) | $24.95 per user | $274.45 | $3,293.40 |
| Dialpad (Standard) | $27.00 per user | $297.00 | $3,564.00 |
| RingCentral (RingEX Core) | $30.00 per user | $330.00 | $3,960.00 |
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 Warrensburg, 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.
Porting a number you already use in Warrensburg, MO 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 Warrensburg, MO?
660 and 816, by NANPA-assigned exchanges in the area's named places.
How many businesses are in the Warrensburg, MO area?
951 establishments in 2023, according to Census County Business Patterns.
How much does a business phone system cost in Warrensburg, MO?
Callata is $99 a month with 5 users included, then $20 per additional user; for an 11-person team that is $219.00 a month. The same team on Ooma Office Pro lists at $274.45 a month (checked September 28, 2026).