Below is a list of Irvington IL zip codes. For your research we have also included Irvington Area Code, Time Zone, UTC and the local Washington County FIPS Code. Each Irvington Illinois zip code has a center Longitude / Latitude point (the Irvington center is -89.161598205566 / 38.438999176025). For your convenience we have also indicated if that zip code in Irvington observes Daylight Savings time.