Below is a list of Yates City IL zip codes. For your research we have also included Yates City Area Code, Time Zone, UTC and the local Knox County FIPS Code. Each Yates City Illinois zip code has a center Longitude / Latitude point (the Yates City center is -90.014602661133 / 40.778701782227). For your convenience we have also indicated if that zip code in Yates City observes Daylight Savings time.