Below is a list of Beardstown IL zip codes. For your research we have also included Beardstown Area Code, Time Zone, UTC and the local Cass County FIPS Code. Each Beardstown Illinois zip code has a center Longitude / Latitude point (the Beardstown center is -90.427696228027 / 40.003700256348). For your convenience we have also indicated if that zip code in Beardstown observes Daylight Savings time.