Below is a list of Roscoe IL zip codes. For your research we have also included Roscoe Area Code, Time Zone, UTC and the local Winnebago County FIPS Code. Each Roscoe Illinois zip code has a center Longitude / Latitude point (the Roscoe center is -89.011703491211 / 42.427898406982). For your convenience we have also indicated if that zip code in Roscoe observes Daylight Savings time.