Hours Of Operations ADT Pennsylvania Bellefonte ADT Hours of Operation and Locations in Bellefonte, PA 4.7 - 140 votes 1 Locations in Bellefonte www.adt.com ADT Hours Category: Home & Garden ADT - Bellefonte, PA 16823 (866) 268-5198 View Store Details Explore BellefonteView More Apparel CatherinesJusticeGapMauricesJourneys 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