1、The English word “post office” refers to a place where postal services are provided by the postal department. For example, she had just collected her pension from the post office.
2、”Post Office” specifically refers to the former U.S. Department responsible for postal services in the United States. This organization was established in accordance with the Postal Service Act signed by George Washington in 1792. However, it was not a Cabinet-level agency at that time. It was only elevated to Cabinet-level status with another Postal Service Act in 1872.
