Postal code of xinzheng city

45 1 100。 According to the information of China Postal Code Library, the postal code of xinzheng city is 45 1 100, and the postal code of China adopts a four-level six-digit coding structure, with the first two digits 45 representing Henan Province; The third digit 1 indicates the postal area; The fourth digit 1 indicates the county and city; The last two digits, 00, indicate the delivery office. The function of postal code is to improve the speed and accuracy of mail delivery, realize the automation of mail sorting and the digitalization of postal network, speed up the delivery of mail, and conveniently and quickly distinguish the delivery range of people and units.