Below is a list of Cooksville IL zip codes. For your research we have also included Cooksville Area Code, Time Zone, UTC and the local Mclean County FIPS Code. Each Cooksville Illinois zip code has a center Longitude / Latitude point (the Cooksville center is -88.716903686523 / 40.546501159668). For your convenience we have also indicated if that zip code in Cooksville observes Daylight Savings time.