Below is a list of Cissna Park IL zip codes. For your research we have also included Cissna Park Area Code, Time Zone, UTC and the local Iroquois County FIPS Code. Each Cissna Park Illinois zip code has a center Longitude / Latitude point (the Cissna Park center is -87.894302368164 / 40.566299438477). For your convenience we have also indicated if that zip code in Cissna Park observes Daylight Savings time.