What Are Mail Slots Called?

A mail slot is a narrow, vertically oriented opening in a door through which mail is delivered. The slot is usually about 3 inches by 10 inches, and is located just below eye level.

Mail slots were once a common feature in homes and businesses, but have largely been replaced by more modern methods of mail delivery, such as the mailbox. However, some homes and businesses still use mail slots, particularly if they are located in a historic building.

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There are a few different terms that are used to describe a mail slot, including letter box and post box. In the United States, the term “mail slot” is most commonly used.

In the United Kingdom and Ireland, the term “letter box” is more common, while in Australia the term “post box” is used.

No matter what term is used, a mail slot is a convenient way to receive mail without having to open a door or go to the mailbox.