People's Republic of China (PRC) Postal Law Article 2 The State guarantees universal postal service in People's Republic of China (PRC). Postal enterprises undertake the obligation to provide universal postal services in accordance with state regulations. The State Council and local people's governments at all levels and their relevant departments shall take measures to support postal enterprises in providing universal postal services. The term "universal postal service" as mentioned in this Law refers to the postal service that is continuously provided to the people of China and all users in China at reasonable charges according to the business scope and service standards stipulated by the state.

Postal code is a coding method that a country or region divides the whole country in order to realize the automation of mail sorting and the digitalization of postal network and speed up the delivery of mail. Postal coding system has become a standard to measure a country's communication technology and postal service level.

Introduce a new postal code

The new postal code is divided into address identification code and short code. The new postal code is 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.