The first two digits of the postal code denote the province or special administrative area (e.g. 43120 Phon Phisai, Nong Khai).
Thailand | United States Postal Service | List of IOC country codes | Cinema of Thailand | Rowland Hill (postal reformer) | Democrat Party (Thailand) | The Postal Service | Survivor: Thailand | Prime Minister of Thailand | National Assembly of Thailand | Monarchy of Thailand | 2011 Thailand floods | South Thailand insurgency | Going Postal | European Conference of Postal and Telecommunications Administrations | Postal (film) | Postal 2 | postal | Postage stamps and postal history of Azerbaijan | Northern Thailand | List of country calling codes | Lèse majesté in Thailand | Football Association of Thailand | 2007 Constitution of Thailand | United States Postal Inspection Service | United States Ambassador to Thailand | Terry Pratchett's Going Postal | Stock Exchange of Thailand | State Railway of Thailand | Southern Thailand |