The postcode of Mudan District, Heze City, Shandong Province

According to the postcode database, the postcode of Mudan District, Heze City, Shandong Province is 274009. China adopts a four-level six-digit coding system, with the first two representing Shandong Province, the third representing Heze City, the fourth representing Peony District, and the last two being the delivery points under Peony District.

Postal code usually consists of Arabic numerals, which represents the special code of the post office where the mail is delivered. Postal coding system is one of the standards to measure a country's communication technology and postal service level.