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Get a local business phone number in Carrollton, MO

Carrollton's area code, prefixes and carriers from NANPA records, and how to put a Carrollton number in front of your customers.

Area code
660
Exchanges
3NANPA-assigned
Carriers
3
Population
3,840Census 2024 est.

Carrollton area codes

Carrollton, in Carroll County, Missouri, had a Census-estimated population of 3,840 in July 2024. All 3 exchanges NANPA lists for its rate center are in area code 660. Carrollton is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 660 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Carrollton, MO
Area codeExchanges hereShareIn service sinceOverlay withTime zone
6603100%1997noneCentral

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Phone carriers in Carrollton

3 carriers hold the 3 exchanges assigned to Carrollton's rate center. Cellco Partnership d/b/a Verizon Wireless - Mo has the most, with 1. 3 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Carriers holding exchanges in Carrollton, MO
Carrier (NANPA operating company)ExchangesShare
Cellco Partnership d/b/a Verizon Wireless - Mo133%
New Cingular Wireless PCS, LLC - Il133%
Southwestern Bell133%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Exchanges (NPA-NXX) assigned in Carrollton

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Carrollton's rate center (CARROLLTON). The earliest assignment date recorded in the file for these codes is 2005. None were assigned in 2020 or later.

Prefixes assigned in Carrollton, MO
Area codePrefixes (NXX)
660322, 329, 542

Source: NANPA utilized central office code file.

What makes a number local to Carrollton

NANPA ties every exchange to a rate center. For Carrollton that is CARROLLTON, so a number from one of these exchanges reads as local to people in and around Carrollton.

Keeping an existing Carrollton number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 660 when you pick it.

Businesses around Carrollton

Carrollton is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 151,475 business establishments in Missouri in 2023, employing 2,631,543 people. The largest sectors by establishment count are health care and social assistance (20,637), retail trade (19,971), and other services (except public administration) (15,950).

Selected industries in Missouri, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants4,81498,62420.5
Full-service restaurants4,522101,10422.4
Agencies providing services for the elderly and persons with disabilities3,45429,3608.5
Insurance agencies and brokerages3,33019,0595.7
Physician practices3,04240,93913.5
Law offices2,75918,4796.7
Offices of real estate agents and brokers2,5506,5312.6
Landscaping services2,19913,2016.0

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

Business phone service in Carrollton

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.

If you already have a number in Carrollton, 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.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in Missouri, 17 users on RingCentral RingEX Core come to $510.00 a month and on Ooma Office Pro $424.15, at month-to-month list prices checked September 28, 2026. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.

Monthly list price for a 17-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$339.00$4,068.00
Quo (Starter)$19.00 per user$323.00$3,876.00
Nextiva (Core)$23.00 per user$391.00$4,692.00
Ooma (Office Pro)$24.95 per user$424.15$5,089.80
Dialpad (Standard)$27.00 per user$459.00$5,508.00
RingCentral (RingEX Core)$30.00 per user$510.00$6,120.00

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.

Frequently asked questions

What area code is Carrollton, MO?

660. All exchanges NANPA lists for Carrollton are in 660.

How many phone companies have exchanges in Carrollton?

3, holding 3 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Carrollton business number?

Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.

How much is a business phone line in Carrollton?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).