TN postcode area TN postcode area The TN postcode area, also known as the Tunbridge Wells postcode area, is a group of 40 postcode districts in England, which are subdivisions of 24 post towns. These postcode districts cover an extensive area from the Greater London border at Westerham to the Sussex coast, including south Kent (including Royal Tunbridge Wells, Tonbridge, Ashford, Sevenoaks, Cranbrook, Edenbridge, New Romney, Romney Marsh and Tenterden) and northern and eastern East Sussex (including Hastings, Battle, Bexhill-on-Sea, Crowborough, Etchingham, Hartfield, Heathfield, Mayfield, Robertsbridge, Rye, St Leonards-on-Sea, Uckfield, Wadhurst and Winchelsea). Additionally, small parts of TN14 and TN16 cover the rural
Kent Bowaters Paper Railway. A limited number of charter flights are provided by Lydd Airport at Lydd. However, most passengers across the South East use the larger Heathrow, Gatwick, Stansted and Luton airports. In 2002, it was revealed that the government was considering building a new four-runway airport on the marshland near the village of Cliffe on Hoo Peninsula. This plan was dropped in 2003 following protests by cultural and environmental groups. However further plans for a Thames Estuary Airport on the Kent coast have subsequently emerged, including the Thames Hub Airport, again sited on the Isle of Grain and designed