Below is a list of Crescent IA zip codes. For your research we have also included Crescent Area Code, Time Zone, UTC and the local Pottawattamie County FIPS Code. Each Crescent Iowa zip code has a center Longitude / Latitude point (the Crescent center is -95.858299255371 / 41.362300872803). For your convenience we have also indicated if that zip code in Crescent observes Daylight Savings time.