Ji 'nan postal code

Jinan, also known as Quancheng, is a prefecture-level city, provincial capital, sub-provincial city, mega-city and the core city of Jinan metropolitan area under the jurisdiction of Shandong Province. It is also the central city of the southern wing of Bohai Rim approved by the State Council.

Postal code is a scheme to realize the automation of letter sorting, because the computer can not recognize Chinese, but can recognize numbers. In order to realize the automation of mail sorting and the digitalization of postal network and speed up mail delivery. The special code representing the post office that delivers the mail is also the communication code between residents and units within the delivery scope of the bureau, so as to improve the speed and accuracy of the mail delivery process.

Postal codes are mainly used for sorting letters with automatic sorting equipment. You can't use postal code, you can only sort it manually according to the address of the recipient, which is very inefficient and easy to make mistakes.

The function of postal code

Under the current conditions, it is impossible for sorting equipment to automatically identify the handwritten recipient address, whether it is Chinese or foreign language. However, it is much simpler and easier to recognize ten Arabic numerals under the condition of fixed position and limited font size.

It is beneficial to speed up the processing of letters. Letters are usually sorted twice in the delivery process. If sorting by machine, the efficiency of manual sorting can be improved by 10 times.

Postal coding system has become one of the standards to measure a country's communication technology and postal service level. China postal code adopts four-level six-digit coding structure, with the first two representing provinces (cities and autonomous regions), the first three representing postal areas, the first four representing counties (cities) and the last two representing delivery offices.

The above contents refer to Baidu Encyclopedia-Postal Code.