Zheng Jiazhen, Dongchangfu District, Liaocheng City, Shandong Province

252035。 According to the postcode database of Liaocheng City, Shandong Province, the postcode of Zheng Jiazhen, Dongchangfu District, Liaocheng City, Shandong Province is 252035. Postal Code (English: postal code, also known as postal code) is a coding method for a country or region to divide the whole country in order to realize the automation of mail sorting and the digitalization of postal network, and to speed up the delivery of mail.