Below is a list of Washburn IL zip codes. For your research we have also included Washburn Area Code, Time Zone, UTC and the local Marshall County FIPS Code. Each Washburn Illinois zip code has a center Longitude / Latitude point (the Washburn center is -89.291496276855 / 40.916801452637). For your convenience we have also indicated if that zip code in Washburn observes Daylight Savings time.