Below is a list of Elwin IL zip codes. For your research we have also included Elwin Area Code, Time Zone, UTC and the local Macon County FIPS Code. Each Elwin Illinois zip code has a center Longitude / Latitude point (the Elwin center is -88.979598999023 / 39.778198242188). For your convenience we have also indicated if that zip code in Elwin observes Daylight Savings time.