Below is a list of Mallard IA zip codes. For your research we have also included Mallard Area Code, Time Zone, UTC and the local Palo Alto County FIPS Code. Each Mallard Iowa zip code has a center Longitude / Latitude point (the Mallard center is -94.678703308105 / 42.937801361084). For your convenience we have also indicated if that zip code in Mallard observes Daylight Savings time.