Below is a list of Brookfield IL zip codes. For your research we have also included Brookfield Area Code, Time Zone, UTC and the local Cook County FIPS Code. Each Brookfield Illinois zip code has a center Longitude / Latitude point (the Brookfield center is -87.843902587891 / 41.822200775146). For your convenience we have also indicated if that zip code in Brookfield observes Daylight Savings time.