Below is a list of Leaf River IL zip codes. For your research we have also included Leaf River Area Code, Time Zone, UTC and the local Ogle County FIPS Code. Each Leaf River Illinois zip code has a center Longitude / Latitude point (the Leaf River center is -89.403999328613 / 42.125400543213). For your convenience we have also indicated if that zip code in Leaf River observes Daylight Savings time.