Below is a list of Argenta IL zip codes. For your research we have also included Argenta Area Code, Time Zone, UTC and the local Macon County FIPS Code. Each Argenta Illinois zip code has a center Longitude / Latitude point (the Argenta center is -88.82250213623 / 39.985500335693). For your convenience we have also indicated if that zip code in Argenta observes Daylight Savings time.