Hours Of Operations Master Lock Massachusetts Newton 02458 Master Lock Hours of Operation and Location in Newton, MA 02458 4.5 - 64 votes 400 Watertown St, Newton, MA 02458 (617) 715-0658 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 NewtonView More Apparel MarshallsTJ MaxxCarharttCatherinesJustice Sports VansColemanEastern Mountain SportsJazzerciseBlades Jewelry MarshallsIcingBloomingdale's Recommend For You Bob's Stores Sleepy's the Mattress Pros TJ Maxx Herbalife Elements Therapeutic Massage Sleepy's El Toro Market Blossoms Toys R Us A Nails