Below is a list of Oconee IL zip codes. For your research we have also included Oconee Area Code, Time Zone, UTC and the local Shelby County FIPS Code. Each Oconee Illinois zip code has a center Longitude / Latitude point (the Oconee center is -89.106300354004 / 39.290298461914). For your convenience we have also indicated if that zip code in Oconee observes Daylight Savings time.