Deutsche Bundespost Berlin

It sounds similar to the name of the Western German postal services Deutsche Bundespost and was de facto a dependency of it.

The governmental agency to provide mail and telecommunication services for West Berlin.

With the end of World War II in 1945, the Allied Control Commission replaced the German government.

Germany was divided into four occupation zones, and Berlin into four sectors; the territories east of the Oder-Neisse were placed under Polish authority.

West Berlin retained its special status as it remained under the authority of the American, British, and French occupation forces.