Houghton-le-Spring currently has 9 mapped postboxes recorded by The Postbox Hunter. The postboxes in Houghton-le-Spring include 1 recorded royal cypher. The most common is EIIR, recorded on 5 postboxes, representing 55.6% of the mapped total. The complete recorded cypher list is: EIIR (5). The most commonly recorded postbox type is Lamp, with 4 mapped examples. The data contains 3 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.