Below is a list of Seaton IL zip codes. For your research we have also included Seaton Area Code, Time Zone, UTC and the local Mercer County FIPS Code. Each Seaton Illinois zip code has a center Longitude / Latitude point (the Seaton center is -90.798797607422 / 41.102298736572). For your convenience we have also indicated if that zip code in Seaton observes Daylight Savings time.