The Zeppelin bunker was erected by the Reichspost on the orders of the Oberkommando der Wehrmacht at the end of the 1930s.[3] The bunker was built between 1937 and 1939 in the area of the so-called Stalag (German: Stammlager) as a signal Intelligence centre. The code name for the bunker was Amt 500, i.e., (Postal) Office 500.