Longfield, New Ash Green and Hartley currently has 17 mapped postboxes recorded by The Postbox Hunter. The postboxes in Longfield, New Ash Green and Hartley include 3 recorded royal cyphers. The most common is EIIR, recorded on 3 postboxes, representing 17.6% of the mapped total. The complete recorded cypher list is: EIIR (3), CIIIR (1) and GR (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 Lamp, with 8 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.