Below is a list of Chapin IL zip codes. For your research we have also included Chapin Area Code, Time Zone, UTC and the local Morgan County FIPS Code. Each Chapin Illinois zip code has a center Longitude / Latitude point (the Chapin center is -90.402603149414 / 39.765701293945). For your convenience we have also indicated if that zip code in Chapin observes Daylight Savings time.