Below is a list of Steger IL zip codes. For your research we have also included Steger Area Code, Time Zone, UTC and the local Cook County FIPS Code. Each Steger Illinois zip code has a center Longitude / Latitude point (the Steger center is -87.615997314453 / 41.47620010376). For your convenience we have also indicated if that zip code in Steger observes Daylight Savings time.