Click to call or order service online! Pop-A-Lock of Nashville provides expert service at affordable prices. If your key or smart key is lost, we can come to you and make a new one. Need electronic locking solutions for your home or business? We can provide smart locking technology to improve security, keyless convenience and smart phone access. Pop-A-Lock is Smart Phone and GPS dispatched, you receive a picture of your locksmith, the service vehicle they will arrive in and GPS updates!