Below is a list of Millbrook IL zip codes. For your research we have also included Millbrook Area Code, Time Zone, UTC and the local Kendall County FIPS Code. Each Millbrook Illinois zip code has a center Longitude / Latitude point (the Millbrook center is -88.552101135254 / 41.59880065918). For your convenience we have also indicated if that zip code in Millbrook observes Daylight Savings time.