post office box
Sign in to saveAlso known as PO box, Postal Box, post-office box, P. O. box, P.O. box
uniquely addressable lockable box located on the premises of a post office station
~13 min read
Encyclopedic overview
An American post office box full of mail
A post office box (commonly abbreviated as P.O. box, or also known as a postal box) is a uniquely addressable lockable box located on the premises of a post office.
Excerpted from Wikipedia’s “post office box” article, available under the CC BY-SA 4.0 licence.