Postal code of Guantanzhen, Xuyi County

2 1 1703。 According to the related information of the query network, the postal code of Xuguantan Town is 2 1 1703, and the address is Guantan Town, Xuyi County, Huai 'an City, Jiangsu Province. Postal code is a scheme to realize automatic sorting of letters, because computers can't recognize Chinese, but they can recognize numbers. By coding each area, you can quickly sort it by computer. Of course, the finer you write, the better.