Below is a list of Cottage Hills IL zip codes. For your research we have also included Cottage Hills Area Code, Time Zone, UTC and the local Madison County FIPS Code. Each Cottage Hills Illinois zip code has a center Longitude / Latitude point (the Cottage Hills center is -90.069999694824 / 38.903099060059). For your convenience we have also indicated if that zip code in Cottage Hills observes Daylight Savings time.