Below is a list of Dunlap IA zip codes. For your research we have also included Dunlap Area Code, Time Zone, UTC and the local Harrison County FIPS Code. Each Dunlap Iowa zip code has a center Longitude / Latitude point (the Dunlap center is -95.601898193359 / 41.854301452637). For your convenience we have also indicated if that zip code in Dunlap observes Daylight Savings time.