The United States Post Office Department was a pre-War department of the United States government. The department was 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.
Appearances[]
The Post Office Department is mentioned in Fallout 3, Fallout: New Vegas, Fallout 4, and Fallout 76.
Behind the scenes[]
In reality, President Richard Nixon's Postal Reorganization Act of 1970 replaced the Post Office Department with the independent United States Postal Service. However, in the United States, it seems that both agencies existed around 2077.[2]
Gallery[]
Patch worn by postmen
Postman uniform with misspelled patch "Post Office Depf"
On the side of the mailboxes
Post Office Department badge worn by postmen