Below is a list of Oakland IA zip codes. For your research we have also included Oakland Area Code, Time Zone, UTC and the local Pottawattamie County FIPS Code. Each Oakland Iowa zip code has a center Longitude / Latitude point (the Oakland center is -95.396797180176 / 41.309200286865). For your convenience we have also indicated if that zip code in Oakland observes Daylight Savings time.