Below is a list of Kewanee IL zip codes. For your research we have also included Kewanee Area Code, Time Zone, UTC and the local Henry County FIPS Code. Each Kewanee Illinois zip code has a center Longitude / Latitude point (the Kewanee center is -89.924896240234 / 41.238201141357). For your convenience we have also indicated if that zip code in Kewanee observes Daylight Savings time.