45000 1。 According to Baidu map, the main campus of Zhengzhou University is located at No.0/00, Science Avenue, High-tech Zone, Zhengzhou City, Henan Province. Official website information shows that the postal code of this address is 45000 1, with the first two digits 45 representing Henan province, the third digit 0 representing Zhengzhou postal area, the fourth digit 0 representing high-tech zone, and the last two digits 0 1 representing specific delivery area.