Hours Of Operations Master Lock Pennsylvania Upper Darby 19082 Master Lock Hours of Operation and Location in Upper Darby, PA 19082 4.0 - 101 votes 7100 Sansom St, Upper Darby, PA 19082 (610) 553-5232 Get Directions Master Lock Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore Upper DarbyView More Apparel Ross Dress for LessBurlington Coat FactoryH & MFoot LockerAmerica's Best Contacts & Eyeglasses Sports ColemanModellsLidsModell's Sporting Goods Jewelry Burlington Coat FactoryEasy Pickins Recommend For You Omega Sleepy's El Toro Market Easy Pickins I-Dish A Nails Alcoholics Anonymous A & A Locksmith Computer & Phone Repair PC Clinic