Sam the Lock Guy - Locksmith Why Choose Us for your Locksmith Cambridge MA ? All of our employees are licensed and ready to provide fast, professional, and satisfactory workmanship We know Emergency locksmith issues can come at any time of the day or night, which is why we have our 24/7 service for our customers. Our Locksmiths in Cambridge MA will come to your place in 15 min . Providing you the most competitive rates in the market today. Service or product: locksmith service Business Hours: 24 hours a day, 7 days a week