Hours Of Operations ADT Maryland Fairplay ADT Hours of Operation and Locations in Fairplay, MD 4.7 - 140 votes 1 Locations in Fairplay www.adt.com ADT Hours Category: Home & Garden ADT - Fairplay, MD 21733 (240) 231-0490 View Store Details 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