Hours Of Operations Radio Shack South Dakota Spearfish 57783 Radio Shack Hours of Operation and Location in Spearfish, SD 57783 4.3 - 97 votes 714 N MAIN ST, Spearfish, SD 57783 (605) 642-5421 Get Directions Radio Shack Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore SpearfishView More Apparel KmartCarharttRainbowBoot BarnNew York & Company Sports VansSport CenterSierra DesignsAll Sports Recommend For You Fastenal Dr Jay's Carhartt Sierra Designs SIMPLE Mobile Verizon Wireless Centurylink New York & Company ADT At Home