Ystalyfera currently has 15 mapped postboxes recorded by The Postbox Hunter. The postboxes in Ystalyfera include 2 recorded royal cyphers. The most common is EIIR, recorded on 14 postboxes, representing 93.3% of the mapped total. The complete recorded cypher list is: EIIR (14) and GR (1). The most commonly recorded postbox type is Lamp, with 10 mapped examples. The data contains 3 different recorded postbox types. Across the available tagging data, 1 design are represented. This information is generated from the latest postbox location and tagging data available to The Postbox Hunter.