A 24 Hour Lock & Key (615) 416-4420 is a leading company for Nashville locksmith and security solutions. For many years we have been offering superior service for residents and businesses such as:24/7 emergency lockoutsCar services lockouts, ignition issues, key duplication and more..locks installations and key duplicationsApproximate response time of 15 minutes in most cases.Door installation and repairInterior, wood/glass/metal or French doors, all are custom made to fit your needs and requirements.Our service areas in Nashville A 24 Hour Lock & Key offers Residential, Commercial & Vehicle Services