Hours Of Operations ADT Maryland White Hall ADT Hours of Operation and Locations in White Hall, MD 4.7 - 140 votes 2 Locations in White Hall www.adt.com ADT Hours Category: Home & Garden ADT - White Hall, MD 21161 19832 Old York Rd(410) 343-2062 View Store Details ADT - White Hall, MD 21161 (443) 672-0070 View Store Details Explore White HallView More Apparel Carhartt 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