Below is a list of Pontoon Beach IL zip codes. For your research we have also included Pontoon Beach Area Code, Time Zone, UTC and the local Madison County FIPS Code. Each Pontoon Beach Illinois zip code has a center Longitude / Latitude point (the Pontoon Beach center is -90.0803839 / 38.7317158). For your convenience we have also indicated if that zip code in Pontoon Beach observes Daylight Savings time.