Below is a list of Helenville WI zip codes. For your research we have also included Helenville Area Code, Time Zone, UTC and the local Jefferson County FIPS Code. Each Helenville Wisconsin zip code has a center Longitude / Latitude point (the Helenville center is -88.699401855469 / 43.012001037598). For your convenience we have also indicated if that zip code in Helenville observes Daylight Savings time.