Official website shows that the postcode of Liangqing District of Nanning is 530200, in which 53 represents Guangxi Zhuang Autonomous Region, 0 represents Nanning City, 2 represents Liangqing District, and 00 represents the specific delivery area. 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.