Greenham currently has 13 mapped postboxes recorded by The Postbox Hunter. The postboxes in Greenham include 2 recorded royal cyphers. The most common is EIIR, recorded on 8 postboxes, representing 61.5% of the mapped total. The complete recorded cypher list is: EIIR (8) and no (1). The most commonly recorded postbox type is Lamp, with 5 mapped examples. The data contains 4 different recorded postbox types. Across the available tagging data, 2 designs are represented. This information is generated from the latest postbox location and tagging data available to The Postbox Hunter.