Below is a list of Kosciusko County IN zip codes. For your research we have also included Kosciusko County Area Code, Time Zone, UTC and the local County FIPS Code. Each Kosciusko County Indiana zip code has a center Longitude / Latitude point (the Kosciusko County center is -85.871299743652 / 41.24649810791). For your convenience we have also indicated if that zip code in Kosciusko County observes Daylight Savings time.