Cambourne currently has 3 mapped postboxes recorded by The Postbox Hunter. The postboxes in Cambourne include 2 recorded royal cyphers. The most common is EIIR, recorded on 2 postboxes, representing 66.7% of the mapped total. The complete recorded cypher list is: EIIR (2) and CIIIR (1). Among the recognised royal cyphers in the data, EIIR is the earliest recorded and CIIIR is the most recent. The most commonly recorded postbox type is Pillar, with 3 mapped examples. 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.