What is the postcode of Zhangjiawan Town, Tongzhou District, Beijing?

The postcode of Zhangjiawan Town, Tongzhou District, Beijing is10113.

Zhangjiawan Town is located in the southeast of Tongzhou District, Beijing, adjacent to Tongzhou City, 24 kilometers away from Tiananmen Square and 20 kilometers away from the Capital International Airport in the north, with a town area of 105.8 square kilometers and jurisdiction over 57 administrative villages.

During the Qin and Han Dynasties, the Luhe River (now the North Canal) deviated from the east of Zhangjiawan, forming a nearly right-angled bend, and the Hun River (now the Yongding River) branched from east to west to meet here, making the Gulf Stream here wide and deep, with hard soil on both sides, making it a natural good river port. Liao Jian, whose capital is in Ji Cheng (now Xuanwu District), grew up in Nanjing and transported food from Liaodong. In the middle and late period, a canal was dug from Nanjing to the east. Because Xiao Taihou presided over this matter, it was named Xiao Taihou Caoyun River. Its estuary is here, and so are ships, so it is easy to barge by boat. The bay became the grain terminal of the empire. Yuan Shizu, whose capital is Ji Cheng, is called a metropolis, and its food consumption depends on the south of the Yangtze River. In the twenty-second year of Yuan Dynasty (1285), Wanyuan Huhou first commanded the transportation of grain from Bohai to Haihe, and then returned to this bay along the Luhe River (called Baihe River), where he called a cart to transport it to Dadoucheng, where it served as a dock until the diversion of Luhe River (North Canal) in the seventh year of Jiaqing (1802).