SIOUX FALLS, S.D. (KELO.com) — Once a year, in early June, South Dakota celebrates its single area code and all the beauty, fun and wonder it encompasses. June 5th is 605 Day. The South Dakota Department of Tourism encourages you to share your favorite South Dakota locations on social media today with the hashtag 605Day. Big Sioux Recreation area remind you when enjoyng parks this weekend, bring plenty of water and sunscreen.
