Below is a list of Brookings County SD zip codes. For your research we have also included Brookings County Area Code, Time Zone, UTC and the local County FIPS Code. Each Brookings County South Dakota zip code has a center Longitude / Latitude point (the Brookings County center is -96.790100097656 / 44.319000244141). For your convenience we have also indicated if that zip code in Brookings County observes Daylight Savings time.