Below is a list of Mapleton IL zip codes. For your research we have also included Mapleton Area Code, Time Zone, UTC and the local Peoria County FIPS Code. Each Mapleton Illinois zip code has a center Longitude / Latitude point (the Mapleton center is -89.716499328613 / 40.570301055908). For your convenience we have also indicated if that zip code in Mapleton observes Daylight Savings time.