According to the postal code database of Zhengzhou City, Henan Province, the postal code of Zhengzhou High-tech Zone is 45000 1, of which 45 represents provinces and cities, 0 represents postal areas, 0 represents counties, and the last two digits of 0 1 represent specific delivery areas.

Postal code is a scheme to realize mail sorting automation. Because the computer can't recognize Chinese, but it can recognize numbers, it is set up to realize the automation of mail sorting, the digitalization of postal network and the speed of mail delivery.