Below is a list of Lyman County SD zip codes. For your research we have also included Lyman County Area Code, Time Zone, UTC and the local County FIPS Code. Each Lyman County South Dakota zip code has a center Longitude / Latitude point (the Lyman County center is -99.805000305176 / 43.917301177979). For your convenience we have also indicated if that zip code in Lyman County observes Daylight Savings time.