Below is a list of Avalon WI zip codes. For your research we have also included Avalon Area Code, Time Zone, UTC and the local Rock County FIPS Code. Each Avalon Wisconsin zip code has a center Longitude / Latitude point (the Avalon center is -88.869697570801 / 42.637901306152). For your convenience we have also indicated if that zip code in Avalon observes Daylight Savings time.