Rizhao postal code

Postal code usually consists of Arabic numerals, which represents the special code of the post office that delivers mail, and is also the communication code between residents and units within the delivery range of the post office. Postal code is a special code for postal communication to realize mail sorting, and it is a necessary tool to realize postal modernization. The ultimate goal is to improve the speed and accuracy of your letters in the delivery process, so be sure to indicate the postal code when handing in letters and parcels.

China postal code adopts four-level six-digit coding structure. The first two figures represent provinces (cities, autonomous regions); The third digit indicates the postal area; The fourth digit indicates the county (city); The last two digits indicate the office.

New postal code

The new postal code can be divided into address identification code and short code. The former is mainly used for the unique identification of geographical location, and can be used for the interpretation and calculation of spatial relations with certain accuracy. The latter is convenient for people to remember and use, and can simplify the address trellis code into a "short code" form of 5 to 6 bits.

The "new postal code" may appear in the form of two-dimensional code, which has the characteristics of multi-scale, identifiable, locatable, indexable, computable and automatic spatial correlation. When sending mail, citizens only need to select the address they want to send in the address library and send the corresponding code to the courier. The courier can enter the address code into the system to start the delivery process.