CallataGuides

Get a local business phone number in Monticello, FL

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

Area code
850 / 448
Exchanges
7NANPA-assigned
Carriers
4
Population
2,754Census 2024 est.

Area codes in Monticello

With 2,754 residents in the Census 2024 estimate, Monticello sits in Jefferson County, Florida. NANPA lists 7 exchanges for its rate center across 2 area codes; 850 has the most (5, 71%). 850 is part of an overlay with 448, so a new local number in Monticello may carry any of those codes depending on which have numbers available. Monticello is in the Eastern and Central time zone.

According to NANPA's dialing-plan data, local calls within 850 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Monticello, FL
Area codeExchanges hereShareIn service sinceOverlay withTime zone
850571%1997448Eastern and Central
448229%2021850Eastern and Central

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

Phone carriers in Monticello

4 carriers hold the 7 exchanges assigned to Monticello's rate center. Onvoy, LLC - FL has the most, with 3. 6 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Monticello can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Monticello, FL
Carrier (NANPA operating company)ExchangesShare
Onvoy, LLC - FL343%
Centurylink of Florida, INC. (central)229%
Paetec Itel, LLC114%
Mcimetro Access Transmission Services LLC114%

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 Monticello

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Monticello's rate center (MONTICELLO). The earliest assignment date recorded in the file for these codes is 2004. 2 of the 7 were assigned in 2020 or later.

Prefixes assigned in Monticello, FL
Area codePrefixes (NXX)
448222, 408
850342, 347, 427, 852, 997

Source: NANPA utilized central office code file.

When Monticello's exchanges were assigned

Assignment dates show when each block of Monticello numbers was added to the local supply.

Monticello, FL: exchanges by decade assigned
Decade assignedExchangesShare
2000s240%
2010s120%
2020s240%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

Rate centers and local calling in Monticello

What a caller sees as "local" is the area code plus prefix. In Monticello, those come from the MONTICELLO rate center, as recorded by NANPA.

Keeping an existing Monticello number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 850 when you pick it.

Who does business near Monticello

Monticello is part of the Tallahassee, FL metro area, home to 398,000 people in 2024. County Business Patterns counted 9,695 business establishments in the Tallahassee, FL metro area in 2023, employing 123,521 people. The largest sectors by establishment count are professional, scientific, and technical services (1,611), retail trade (1,213), and other services (except public administration) (1,037).

Selected industries in the Tallahassee, FL metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Law offices3342,3917.2
Limited-service restaurants3326,78120.4
Full-service restaurants2936,33721.6
Physician practices2133,00514.1
Offices of real estate agents and brokers1866143.3
Landscaping services1801,0816.0
Management consulting firms1781,99211.2
Custom computer programming services firms1511,4729.7

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

Setting up a Monticello business line

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 Monticello, 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.

A 13-person team is the benchmark here, the rounded average establishment size in the Tallahassee, FL metro area. 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.

Frequently asked questions

What area code is Monticello, FL?

Monticello has exchanges in 850 and 448; 850 has the most.

How many phone companies have exchanges in Monticello?

4, holding 7 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Monticello 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 Monticello?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 13 users come to $259.00 a month. For comparison, 13 users on RingCentral RingEX Core list at $390.00 a month (checked September 28, 2026).