Below is a list of Des Moines County IA zip codes. For your research we have also included Des Moines County Area Code, Time Zone, UTC and the local County FIPS Code. Each Des Moines County Iowa zip code has a center Longitude / Latitude point (the Des Moines County center is -91.207298278809 / 40.900001525879). For your convenience we have also indicated if that zip code in Des Moines County observes Daylight Savings time.