Below is a list of Stewardson IL zip codes. For your research we have also included Stewardson Area Code, Time Zone, UTC and the local Shelby County FIPS Code. Each Stewardson Illinois zip code has a center Longitude / Latitude point (the Stewardson center is -88.619201660156 / 39.263999938965). For your convenience we have also indicated if that zip code in Stewardson observes Daylight Savings time.