Hours Of Operations ADT South Carolina Barnwell ADT Hours of Operation and Locations in Barnwell, SC 4.7 - 140 votes 1 Locations in Barnwell www.adt.com ADT Hours Category: Home & Garden ADT - Barnwell, SC 29812 (877) 301-2304 View Store Details Explore BarnwellView More Apparel Goody'sCatoPeeblesCarharttCatherines Jewelry Cato 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