Area code 353

Where area code 353 is

353 is one of 8 geographic area codes serving Wisconsin; NANPA records its in-service date as September 15, 2023. It is an overlay: 353 and 608 cover the same territory, so neighbors on the same street can have different area codes. It is in the Central time zone. The places with the most assigned exchanges include Madison, Highland, Lone Rock, Montello, and Belleville. By population, its largest named places are Madison, DeForest, Belleville, Mazomanie, and Montello.

Places served by 353

353 holds 0.35% of the 3,681 central office codes assigned in Wisconsin, the 8th most of the state's 8 codes. 10 Census places could be matched to rate centers with 353 exchanges; the most populous are Madison (285,000), DeForest (12,260), Belleville (2,635), and Mazomanie (1,769). Each place page lists the exact prefixes and carriers for that town.

Dialing 353 numbers

According to NANPA's dialing-plan data, local calls within 353 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits. Because local calls need the area code, business cards, signage and website copy should always show the full ten-digit number. NANPA's dialing-plan note for this code reads: "1+10 digit dialing permissible at service provider discretion."

Phone companies in area code 353

4 carriers hold the 13 central office codes assigned in 353. Onvoy, LLC - Wi has the most, with 10 (77%). 13 of the codes (100%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. The code holder is not necessarily the carrier serving a given number today, since numbers can be ported between providers.

Local calling areas in 353

NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 353 has codes in 11 rate centers. Rate center names in the file are abbreviations; where one matches a Census place, the table links to that city's local-number page.

Number supply in 353

An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 13 are assigned in 353, 1.6% of 800. 13 were assigned in 2020 or later.

A local 353 number on Callata

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.

Porting a number you already use in area code 353 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.