The postcode of Qin 'an County, Tianshui City, Gansu Province.

China postcode network shows that the postcode of Qin 'an County, Tianshui City, Gansu Province is 74 1600. The postcode of Qin 'an County, Tianshui City, Gansu Province, 74 1 600,74 stands for Gansu Province,1stands for the postal area under the jurisdiction of Tianshui City, and 6 stands for the postal area of Qin 'an County. Postal code is a coding method that a country or region divides the whole country in order to realize the automation of mail sorting and the digitalization of postal network and speed up the delivery of mail. Postal coding system has become one of the standards to measure a country's communication technology and postal service level.