Locking Mailbox with Optional Combination Lock or Key Lock

Locking Mailbox with Optional Combination Lock or Key Lock locked mailboxes with slot tl;dr: Adding a lock yourself may not be legal, but you can buy a USPS-approved mailbox with a lock The box will need a mail slot or similar, locked money box with slot It is identical to our standard mailboxes but has a special door that accepts a post office-installed lock You put your mail in the incoming slot and the mail

locked mailbox with slot Curbside security mailboxes have more Constructed from rust-resistant galvanized steel, the box's locking compartment and mail slot