Hours Of Operations A-1 Lock & Key Maryland Rockville 20852 A-1 Lock & Key Hours of Operation and Location in Rockville, MD 20852 4.0 - 132 votes 5901 Montrose Rd, Unit 401, Rockville, MD 20852 (301) 363-7989 Get Directions A-1 Lock & Key Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore RockvilleView More Apparel MarshallsTJ MaxxRoss Dress for LessH & MCarter's Sports TargetSports AuthorityLA FitnessColemanRoad Runner Sports Jewelry MarshallsChico'sAvonJ JillJared Recommend For You A+ Roofing Absolute Locksmith Advance Networks Artistic Designs Cadenza 20/20 Optical 2000 Nails A & A Locksmith A & M Construction A Direct Dish Satellite TV