Below is a list of Bismarck IL zip codes. For your research we have also included Bismarck Area Code, Time Zone, UTC and the local Vermilion County FIPS Code. Each Bismarck Illinois zip code has a center Longitude / Latitude point (the Bismarck center is -87.603996276855 / 40.264099121094). For your convenience we have also indicated if that zip code in Bismarck observes Daylight Savings time.