Hours Of Operations ADT South Dakota Spearfish ADT Hours of Operation and Locations in Spearfish, SD 4.7 - 140 votes 1 Locations in Spearfish www.adt.com ADT Hours Category: Home & Garden ADT - Spearfish, SD 57783 (605) 644-7076 View Store Details Explore SpearfishView More Apparel KmartCarharttRainbowBoot BarnNew York & Company Sports VansSport CenterSierra DesignsAll Sports Recommend For You Stacy Furniture Build-A Bear Workshop J. C. Penney 84 Lumber A.C. Moore Arts & Crafts Adams Golf American Standard American TV & Appliance Andersen Windows & Doors Andronico's Market