one time, nearly 843,000 rural Canadian residents used rural (curbside) mailboxes for private mail delivery, though Canada Post has since required the installation of community mailbox stations for many rural residents

In the US, wall-mounted or curbside mailboxes that are only designed for receiving incoming mail are known as "limited-service" mailboxes, while mailboxes equipped with a mechanism for notifying the postman to collect outgoing mail from the mailbox are known as "full service" mailboxes.