Below is a list of Lombard IL zip codes. For your research we have also included Lombard Area Code, Time Zone, UTC and the local Dupage County FIPS Code. Each Lombard Illinois zip code has a center Longitude / Latitude point (the Lombard center is -88.018096923828 / 41.874698638916). For your convenience we have also indicated if that zip code in Lombard observes Daylight Savings time.