Below is a list of Mellette SD zip codes. For your research we have also included Mellette Area Code, Time Zone, UTC and the local Spink County FIPS Code. Each Mellette South Dakota zip code has a center Longitude / Latitude point (the Mellette center is -98.499000549316 / 45.15539932251). For your convenience we have also indicated if that zip code in Mellette observes Daylight Savings time.