Below is a list of Machesney Park IL zip codes. For your research we have also included Machesney Park Area Code, Time Zone, UTC and the local Winnebago County FIPS Code. Each Machesney Park Illinois zip code has a center Longitude / Latitude point (the Machesney Park center is -89.035301208496 / 42.366199493408). For your convenience we have also indicated if that zip code in Machesney Park observes Daylight Savings time.