Below is a list of Zion IL zip codes. For your research we have also included Zion Area Code, Time Zone, UTC and the local Lake County FIPS Code. Each Zion Illinois zip code has a center Longitude / Latitude point (the Zion center is -87.842697143555 / 42.457298278809). For your convenience we have also indicated if that zip code in Zion observes Daylight Savings time.