Hours Of Operations ADT Connecticut Middletown ADT Hours of Operation and Locations in Middletown, CT 4.7 - 140 votes 3 Locations in Middletown www.adt.com ADT Hours Category: Home & Garden ADT - Middletown, CT 06457 (860) 343-3229 View Store Details ADT - Middletown, CT 06457 (860) 398-6310 View Store Details ADT - Middletown, CT 06457 (866) 567-0178 View Store Details Explore MiddletownView More Apparel MarshallsBig LotsH & MCarharttCatherines Sports VansColemanFilson Jewelry MarshallsAvon 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