Hours Of Operations Master Lock Washington D.C. Washington 20015 Master Lock Hours of Operation and Location in Washington, DC 20015 4.0 - 127 votes 5614 Connecticut Ave Nw, Washington, DC 20015 (202) 888-2552 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 WashingtonView More Apparel CostcoMarshallsTJ MaxxRoss Dress for LessBig Lots Sports CostcoTargetNew BalanceLA FitnessNike Jewelry CostcoMarshallsLord & TaylorSaks Fifth AvenueChico's Recommend For You Mattress Discounters Omega Thomasville Home Furnishings United Colors of Benetton Pavilions Sears Home Appliance Showroom Bob's Stores Buffalo Exchange Calypso St. Barth City Gear