Post Office Department

The Post Office Department of the United States of America was a pre-War department responsible for managing postal affairs.

Background
The department seal appears on the Mailboxes in Fallout 3 and Fallout: New Vegas, and on the shoulder patch of the postman uniform in Fallout 4 and Fallout 76. The cap of the Boston Postman uniform mentions the Department of Justice and Federal Bureau of Investigation.

Appearances
The Post Office Department is mentioned in Fallout 3, Fallout: New Vegas, Fallout 4, and Fallout 76.