Below is a list of Dolton IL zip codes. For your research we have also included Dolton Area Code, Time Zone, UTC and the local Cook County FIPS Code. Each Dolton Illinois zip code has a center Longitude / Latitude point (the Dolton center is -87.597801208496 / 41.632400512695). For your convenience we have also indicated if that zip code in Dolton observes Daylight Savings time.