According to the postal code database, Pingyuan Lake Campus of Henan Normal University is located in Pingyuan Lake Campus of Yanjin County Normal University, Xinxiang City, Henan Province. The postal code of this address is 45324 1. The first two digits 45 represent Henan Province, the third digit 3 represents Xinxiang City, the fourth digit 2 represents Yanjin County, and the last two digits 4 1 represent specific delivery areas-Xin 'an Township and Yulin Township.