Connect with Top-Rated Locksmiths in Lowell!

Post Office Locksmith, a family-owned business since 1923, provides commercial and residential locksmith services to Massachusetts and Southern New Hampshire. With three mobile units and a walk-in shop, we offer a range of services including key duplication, rekeying, deadbolt installation, and sales of locks, safes, and accessories. Our team of experienced locksmiths is dedicated to providing prompt and reliable service to meet your security needs. We also offer emergency on-site assistance and in-house locksmith service for your convenience.