Get a local business phone number in Underhill, VT

Underhill area codes

Underhill, in Chittenden County, Vermont, had a Census-estimated population of 3,123 in July 2024. All 4 exchanges NANPA lists for its rate center are in area code 802. Underhill is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 802 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Underhill phone exchanges

3 carriers hold the 4 exchanges assigned to Underhill's rate center. Onvoy, LLC - VT has the most, with 2. 4 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.

Underhill phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Underhill's rate center (UNDERHILL). The earliest assignment date recorded in the file for these codes is 2021. 1 of the 4 were assigned in 2020 or later.

What makes a number local to Underhill

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

Keeping an existing Underhill number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 802 when you pick it.

The local business market

Underhill is part of the Burlington-South Burlington, VT metro area, home to 229,000 people in 2024. County Business Patterns counted 6,936 business establishments in the Burlington, VT metro area in 2023, employing 102,443 people. The largest sectors by establishment count are retail trade (917), professional, scientific, and technical services (849), and construction (818).

A Underhill number on Callata

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Underhill 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.

A 15-person team is the benchmark here, the rounded average establishment size in the Burlington, VT metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $450.00 a month and Ooma Office Pro $374.25. Callata comes to $299.00 a month for 15 users ($99 a month with 5 users included, then $20 per additional user), below both.