Hours Of Operations ADT Maryland Dunkirk ADT Hours of Operation and Locations in Dunkirk, MD 4.7 - 140 votes 1 Locations in Dunkirk www.adt.com ADT Hours Category: Home & Garden ADT - Dunkirk, MD 20754 (443) 237-0270 View Store Details Explore DunkirkView More Apparel CarharttCatherinesRainbowCoachDeb Sports Olympia 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