Call now for a 15% Discount! (314) 627-1137. Bel-Nor Locksmith has the widest coverage in Bel-Nor, MO area when it comes to residential, commercial and automotive locksmith services. We offer different locksmith solution on any kind or type of product and our certified technicians provide security services that use the most advanced technology and apply the most professional expertise at absolutely the most competitive prices in the industry.