Heilongjiang Mudanjiang area code

0453。 According to official website, the area code refers to the common telephone division number in the administrative areas of major cities in the world, which is mainly used for domestic and international long-distance telephone access. For example, Chinese mainland international area code 86, Beijing area code 10, Shanghai area code 2 1, etc. So 0453 is the area code of Mudanjiang in Heilongjiang Province, and the postcode of Mudanjiang is 157000.