Below is a list of Marengo WI zip codes. For your research we have also included Marengo Area Code, Time Zone, UTC and the local Ashland County FIPS Code. Each Marengo Wisconsin zip code has a center Longitude / Latitude point (the Marengo center is -90.818000793457 / 46.422500610352). For your convenience we have also indicated if that zip code in Marengo observes Daylight Savings time.