Postal code 22 1000 is a unified postal code of Xuzhou, which is also applicable to all towns and streets in jiawang district.

Of the six digits of the postal code, the first two digits 22 represent Jiangsu Province; The third digit 1 stands for Xuzhou postal area; The fourth digit represents jiawang district; The last two digits, 00, indicate the global delivery office (office) in jiawang district.