Below is a list of Lester IA zip codes. For your research we have also included Lester Area Code, Time Zone, UTC and the local Lyon County FIPS Code. Each Lester Iowa zip code has a center Longitude / Latitude point (the Lester center is -96.329696655273 / 43.439701080322). For your convenience we have also indicated if that zip code in Lester observes Daylight Savings time.