The postcode of Changping Campus of China University of Political Science and Law in Changping District, Beijing is 102299, and the area code is 0 10.

The first two digits of postal code indicate provinces (autonomous regions and municipalities directly under the Central Government), the third digit indicates postal areas (a province is divided into several postal areas, namely mail distribution and transportation networks), the fourth digit indicates counties (cities), and the last two digits indicate post offices and their delivery areas.