Hours Of Operations Master Lock Colorado Longmont 80501 Master Lock Hours of Operation and Location in Longmont, CO 80501 4.4 - 42 votes 2200 Mountain View Ave, Longmont, CO 80501 (303) 834-3157 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 LongmontView More Apparel MarshallsRoss Dress for LessBig LotsH & MCarhartt Sports TargetSports AuthorityBig 5 Sporting GoodsDick's Sporting GoodsVans Jewelry MarshallsHobby LobbyKohl's OutletKay JewelersAvon Recommend For You Pro Build Company Bob's Stores Carpet One Matheson Mattress Firm Milestones Pac Sun Banfield Pet Hospital Brand Source Carter's