The top two 23 represents Anhui Province, the third 3 represents Bengbu City, the fourth 0 represents Yuhui District, and the last two 10 represents the specific delivery area.

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 one of the standards to measure a country's communication technology and postal service level.