Below is a list of Garden Prairie IL zip codes. For your research we have also included Garden Prairie Area Code, Time Zone, UTC and the local Boone County FIPS Code. Each Garden Prairie Illinois zip code has a center Longitude / Latitude point (the Garden Prairie center is -88.725196838379 / 42.253200531006). For your convenience we have also indicated if that zip code in Garden Prairie observes Daylight Savings time.