Below is a list of Warrensburg IL zip codes. For your research we have also included Warrensburg Area Code, Time Zone, UTC and the local Macon County FIPS Code. Each Warrensburg Illinois zip code has a center Longitude / Latitude point (the Warrensburg center is -89.057403564453 / 39.933300018311). For your convenience we have also indicated if that zip code in Warrensburg observes Daylight Savings time.