Haddenham currently has 15 mapped postboxes recorded by The Postbox Hunter. The postboxes in Haddenham include 1 recorded royal cypher. The most common is EIIR, recorded on 13 postboxes, representing 86.7% of the mapped total. The complete recorded cypher list is: EIIR (13). The most commonly recorded postbox type is Pillar, with 6 mapped examples. The data contains 3 different recorded postbox types. Across the available tagging data, 4 designs are represented. This information is generated from the latest postbox location and tagging data available to The Postbox Hunter.