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.

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