Get a local business phone number in Monticello, WI

What area code is Monticello, WI?

With 1,179 residents in the Census 2024 estimate, Monticello sits in Green County, Wisconsin. All 2 exchanges NANPA lists for its rate center are in area code 608. 608 is part of an overlay with 353, so a new local number in Monticello may carry any of those codes depending on which have numbers available. Monticello is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 608 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Monticello exchanges by carrier

2 carriers hold the 2 exchanges assigned to Monticello's rate center. Ton80 Communications, LLC has the most, with 1. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Monticello phone prefixes

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 2022. 1 of the 2 were assigned in 2020 or later.

What makes a number local to Monticello

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Monticello's numbers are rated to the MONTICELLO rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Monticello number.

If your business already has a Monticello number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Businesses around Monticello

Monticello is part of the Madison, WI metro area, home to 708,000 people in 2024. County Business Patterns counted 17,791 business establishments in the Madison, WI metro area in 2023, employing 358,759 people. The largest sectors by establishment count are professional, scientific, and technical services (2,203), retail trade (2,026), and health care and social assistance (1,934).

Business phone service in Monticello

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 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.

The comparison below uses 20 users, the rounded average establishment size in the Madison, WI metro area. At list prices checked September 28, 2026, that is $499.00 a month on Ooma Office Pro and $600.00 on RingCentral RingEX Core. On Callata the same 20 people cost $399.00 a month, less than either per-seat plan.