Below is a list of Willisville IL zip codes. For your research we have also included Willisville Area Code, Time Zone, UTC and the local Perry County FIPS Code. Each Willisville Illinois zip code has a center Longitude / Latitude point (the Willisville center is -89.58699798584 / 37.98210144043). For your convenience we have also indicated if that zip code in Willisville observes Daylight Savings time.