Below is a list of Winona Lake IN zip codes. For your research we have also included Winona Lake Area Code, Time Zone, UTC and the local Kosciusko County FIPS Code. Each Winona Lake Indiana zip code has a center Longitude / Latitude point (the Winona Lake center is -85.80729675293 / 41.215301513672). For your convenience we have also indicated if that zip code in Winona Lake observes Daylight Savings time.