Below is a list of Clear Lake IA zip codes. For your research we have also included Clear Lake Area Code, Time Zone, UTC and the local Cerro Gordo County FIPS Code. Each Clear Lake Iowa zip code has a center Longitude / Latitude point (the Clear Lake center is -93.378700256348 / 43.133701324463). For your convenience we have also indicated if that zip code in Clear Lake observes Daylight Savings time.