Below is a list of Dawson IA zip codes. For your research we have also included Dawson Area Code, Time Zone, UTC and the local Dallas County FIPS Code. Each Dawson Iowa zip code has a center Longitude / Latitude point (the Dawson center is -94.222099304199 / 41.842700958252). For your convenience we have also indicated if that zip code in Dawson observes Daylight Savings time.