Get a local business phone number in Sullivan, WI

What area code is Sullivan, WI?

With 2,308 residents in the Census 2024 estimate, Sullivan sits in Jefferson County, Wisconsin. All 3 exchanges NANPA lists for its rate center are in area code 262. Sullivan is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 262 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Sullivan phone exchanges

2 carriers hold the 3 exchanges assigned to Sullivan's rate center. Brightspeed of Western Wisconsin, LLC has the most, with 2. 2 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.

Local prefixes for Sullivan

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Sullivan. The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.

Rate centers and local calling in Sullivan

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

New local numbers are drawn from carrier inventory, so the exact 262 numbers available change over time; porting an existing number is free.

Who does business near Sullivan

Sullivan is part of the Watertown-Fort Atkinson, WI micropolitan area, home to 86,245 people in 2024. County Business Patterns counted 2,058 business establishments in the Watertown, WI micropolitan area in 2023, employing 31,584 people. The largest sectors by establishment count are construction (287), retail trade (266), and health care and social assistance (215).

Setting up a Sullivan 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 Sullivan, 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 15 users, the rounded average establishment size in the Watertown, WI micropolitan area. At list prices checked September 28, 2026, that is $374.25 a month on Ooma Office Pro and $450.00 on RingCentral RingEX Core. On Callata the same 15 people cost $299.00 a month, less than either per-seat plan.