The World’s Most
Secure Mailbox
Perhaps you’ve been frustrated with other locking mailboxes. Check out why Fort Knox Mailboxes are NOT your average locking mailbox. No other mailboxes are made with our materials, design, and precision
Incredible Durability and Strength
Let us demonstrate why your Fort Knox Mailbox, engineered for high-security durability and proudly made in the USA, is built to withstand even the most preposterous tests of strength. With unparalleled durability, our secure mailbox will be a steadfast fixture in front of your house for decades to come, providing peace of mind and protection for your deliveries.
Explore our Locking Mailboxes
They are like no other mailboxes made! Built for strength, durability, and security. Each of our secure mailbox models have varying features, dimensions, and weight.
Our goal is for you to get the mailbox that matches your unique needs and will be “the last mailbox you will ever need!”
Weight:38lbs 10 × 10 × 20 inM1-LT – Lighter Weight High Security Mailbox
Weight:68lbs 10 × 10 × 21 inSmall Standard – Secure Locking Mailbox
Weight:96lbs 12 × 12 × 23 inLarge Standard – Heavy Duty Mailbox
Weight:98lbs 12 × 12 × 23 inFortress – Ultimate Secure Mailbox
Weight:136lbs 12 × 18 × 23 inVacationer – Large Capacity Indestructible Mailbox
Weight:148lbs 12 × 18 × 23 inSenator – Durable Mail and Package Mailbox
Weight:165lbs 18 × 18 × 23 inPackage Mailbox – Large Capacity Parcel Locker
Weight:170-400lbs 12-24 × 24-36 × 23 inVault Series – Anti Theft Mailbox
Weight:250-550lbs 24 × 20 × 24-42 inCluster Box Units (CBU) – Neighborhood Security CBU Mailbox