Below is a list of Techny IL zip codes. For your research we have also included Techny Area Code, Time Zone, UTC and the local Cook County FIPS Code. Each Techny Illinois zip code has a center Longitude / Latitude point (the Techny center is -87.842597961426 / 42.116500854492). For your convenience we have also indicated if that zip code in Techny observes Daylight Savings time.