Below is a list of Garretson SD zip codes. For your research we have also included Garretson Area Code, Time Zone, UTC and the local Minnehaha County FIPS Code. Each Garretson South Dakota zip code has a center Longitude / Latitude point (the Garretson center is -96.511497497559 / 43.71720123291). For your convenience we have also indicated if that zip code in Garretson observes Daylight Savings time.