Below is a list of Donovan IL zip codes. For your research we have also included Donovan Area Code, Time Zone, UTC and the local Iroquois County FIPS Code. Each Donovan Illinois zip code has a center Longitude / Latitude point (the Donovan center is -87.615097045898 / 40.881301879883). For your convenience we have also indicated if that zip code in Donovan observes Daylight Savings time.