Below is a list of Sauget IL zip codes. For your research we have also included Sauget Area Code, Time Zone, UTC and the local Saint Clair County FIPS Code. Each Sauget Illinois zip code has a center Longitude / Latitude point (the Sauget center is -90.138397216797 / 38.628101348877). For your convenience we have also indicated if that zip code in Sauget observes Daylight Savings time.