Hours Of Operations Master Lock Colorado Boulder 80302 Master Lock Hours of Operation and Location in Boulder, CO 80302 4.1 - 14 votes 1150 7th St, Boulder, CO 80302 (303) 390-1395 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 BoulderView More Apparel MarshallsRoss Dress for LessColdwater CreekH & MCarhartt Sports TargetSports AuthorityNorth FaceVansColeman Jewelry MarshallsChico'sJ JillCharming CharlieAlex and Ani Recommend For You Omega Pavilions Buffalo Exchange Carpet One Matheson Mattress Firm Milestones Sunbelt Rentals Bargain Shop Banfield Pet Hospital