Below is a list of Haakon County SD zip codes. For your research we have also included Haakon County Area Code, Time Zone, UTC and the local County FIPS Code. Each Haakon County South Dakota zip code has a center Longitude / Latitude point (the Haakon County center is -101.59700012207 / 44.236198425293). For your convenience we have also indicated if that zip code in Haakon County observes Daylight Savings time.