Key King Mobile Locksmith is proud to be a licensed, professional, and locksmith in Huntsville and Cullman, AL, as well as Biloxi, MS. Our goal is simply to provide you with the best local service at an affordable rate. Many times, customers are unsure what a locksmith can do. Below are just a few of our service categories. Whether you need lockout service or car keys, we can help. Please call us or contact us for a free quote.