Below is a list of Glencoe IL zip codes. For your research we have also included Glencoe Area Code, Time Zone, UTC and the local Cook County FIPS Code. Each Glencoe Illinois zip code has a center Longitude / Latitude point (the Glencoe center is -87.76490020752 / 42.137599945068). For your convenience we have also indicated if that zip code in Glencoe observes Daylight Savings time.