Below is a list of Holmen WI zip codes. For your research we have also included Holmen Area Code, Time Zone, UTC and the local La Crosse County FIPS Code. Each Holmen Wisconsin zip code has a center Longitude / Latitude point (the Holmen center is -91.261001586914 / 43.956001281738). For your convenience we have also indicated if that zip code in Holmen observes Daylight Savings time.