The postal code is 334500. The postcode of Qianshan County, Shangrao City, Jiangxi Province is 334500, of which 33 represents provinces, municipalities directly under the Central Government and autonomous regions, the third represents postal areas, the fourth represents counties and cities, and the last two represent delivery offices. Postal code is a country or region that divides the whole country in order to realize the automation of mail sorting and the digitalization of postal network, speed up mail delivery. Postal coding system has become one of the standards to measure a country's communication technology and postal service level.