We appreciate your feedback and apologize for your inconvenient experience with this product. Your lock is a retail lock that is prepackaged and sold in bulk to a wide range of distributors. With retail product, unfortunately, we cannot guarantee that each lock will have their own specific key numbers. An option for you would be to purchase a commercial lock that we can assign a specific key number or key range for. For more information regarding this product, or any others from Master Lock, please contact our Customer Support at 800-464-2088 US, 1-800-227-9599 CAN