What is another word for post box?
Pronunciation: [pˈə͡ʊst bˈɒks] (IPA) 
The phrase "post box" is a commonly used term to describe a receptacle for receiving letters and other small packages. However, there are several other synonyms for this term. In some regions of the world, people commonly use the term "letterbox" or "mailbox" to refer to the same item. Others may use the term "post office box" to describe a similar receptacle that is located within a post office or other centralized location. Other synonyms for the term "post box" include "mail slot", "letter slot", or simply "mailbox." Regardless of the term used, the function of the receptacle remains the same - to provide a secure location for receiving and delivering mail.
