China postal code adopts four-level six-digit coding structure. The first two figures represent provinces (cities, autonomous regions); The first three digits indicate the postal area; The first four digits represent counties (cities); The last two digits indicate the delivery office (office).
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The Historical Origin and Use of Postal Code
1June, 963, in order to meet the rapidly growing demand for mail delivery at that time, the postal code was born in the United States, and the United States became the first country in the world to have a postal code.
Postal code is a scheme to realize automatic sorting of letters, because computers can not recognize Chinese, but can recognize numbers. Code each area and you can quickly classify it by computer. Of course, the better you write, the better
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