Below is a list of Colwell IA zip codes. For your research we have also included Colwell Area Code, Time Zone, UTC and the local Floyd County FIPS Code. Each Colwell Iowa zip code has a center Longitude / Latitude point (the Colwell center is -92.592399597168 / 43.155899047852). For your convenience we have also indicated if that zip code in Colwell observes Daylight Savings time.