Below is a list of Coal Valley IL zip codes. For your research we have also included Coal Valley Area Code, Time Zone, UTC and the local Rock Island County FIPS Code. Each Coal Valley Illinois zip code has a center Longitude / Latitude point (the Coal Valley center is -90.460800170898 / 41.436698913574). For your convenience we have also indicated if that zip code in Coal Valley observes Daylight Savings time.