Below is a list of Allerton IL zip codes. For your research we have also included Allerton Area Code, Time Zone, UTC and the local Vermilion County FIPS Code. Each Allerton Illinois zip code has a center Longitude / Latitude point (the Allerton center is -87.932899475098 / 39.908798217773). For your convenience we have also indicated if that zip code in Allerton observes Daylight Savings time.