Below is a list of Doon IA zip codes. For your research we have also included Doon Area Code, Time Zone, UTC and the local Lyon County FIPS Code. Each Doon Iowa zip code has a center Longitude / Latitude point (the Doon center is -96.235900878906 / 43.279201507568). For your convenience we have also indicated if that zip code in Doon observes Daylight Savings time.