Below is a list of Leonore IL zip codes. For your research we have also included Leonore Area Code, Time Zone, UTC and the local La Salle County FIPS Code. Each Leonore Illinois zip code has a center Longitude / Latitude point (the Leonore center is -88.981903076172 / 41.188800811768). For your convenience we have also indicated if that zip code in Leonore observes Daylight Savings time.