Below is a list of Addison IL zip codes. For your research we have also included Addison Area Code, Time Zone, UTC and the local Dupage County FIPS Code. Each Addison Illinois zip code has a center Longitude / Latitude point (the Addison center is -88.003402709961 / 41.931198120117). For your convenience we have also indicated if that zip code in Addison observes Daylight Savings time.