Heavy Duty Locking Mailboxes
The following 8 locking mailboxes have been created over the last 25 years, shipped all over the nation, and we LOVE seeing them out there, decades later! Welcome to the strongest, safest, most durable mailbox on the market! You will NOT be disappointed!
Choose a mailbox that works best for you!
Not sure which mailbox to choose, compare all of our mailboxes.
The Fort Knox Mailbox Difference
“Security” Mailboxes, vs. our Fort Knox Mailboxes
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Adding to cartMeasurements: 20 X 10 X 10 in
Weight: 38lbs -
Adding to cartMeasurements: 21 X 10 X 10 in
Weight: 68lbs -
Adding to cartMeasurements: 23 X 12 X 12 in
Weight: 96lbs -
Adding to cartMeasurements: 23 X 12 X 12 in
Weight: 98lbs -
Adding to cartMeasurements: 23 X 18 X 12 in
Weight: 136lbs -
Adding to cartMeasurements: 23 X 18 X 12 in
Weight: 148lbs -
Adding to cartMeasurements: 23 X 18 X 18 in
Weight: 165lbs -
Adding to cartMeasurements: 24 X 23 X 12 in
Weight: 250lbs
Our customers’ needs are all unique, and we have a full line-up of security mailboxes! All of our mailboxes have important security features, such as narrow slots, recessed doors, and strong steel shells. They vary by size, gauge of steel, and features, such as optional outgoing mail, optional ability to receive bigger packages, and up-gradable locks. We really strive to match each customer with the locking, heavy-duty mailbox that meets the customer’s needs.