I ordered a mailbox online but I didn't receive the numbers? Matt Sprague July 13, 2018 14:29 Updated Follow Go to the following website and enter your online order number:mymailboxorder.com/freembnumbers Related articles Welded Mailboxes What if I ordered a mailbox installation but I live in a gated community? Do you offer maintenance? Do you install with concrete? Comments 0 comments Please sign in to leave a comment.