Below is a list of Heyworth IL zip codes. For your research we have also included Heyworth Area Code, Time Zone, UTC and the local Mclean County FIPS Code. Each Heyworth Illinois zip code has a center Longitude / Latitude point (the Heyworth center is -88.977996826172 / 40.312000274658). For your convenience we have also indicated if that zip code in Heyworth observes Daylight Savings time.