Below is a list of Yorkville IL zip codes. For your research we have also included Yorkville Area Code, Time Zone, UTC and the local Kendall County FIPS Code. Each Yorkville Illinois zip code has a center Longitude / Latitude point (the Yorkville center is -88.4317 / 41.621). For your convenience we have also indicated if that zip code in Yorkville observes Daylight Savings time. For more information on Yorkville Illinois you will find helpful business links and searches.