Below is a list of Blue Mound IL zip codes. For your research we have also included Blue Mound Area Code, Time Zone, UTC and the local Macon County FIPS Code. Each Blue Mound Illinois zip code has a center Longitude / Latitude point (the Blue Mound center is -89.121398925781 / 39.702499389648). For your convenience we have also indicated if that zip code in Blue Mound observes Daylight Savings time.