1. Open WeChat to enter the official account of China Post WeChat, and click the postal service at the bottom of the page.

2. In the options that appear, click Query Service.

3. On the new page, click the postal code you want to query.

4. Enter your location, and then click to query the postal code.

Postal Code (English: postal code, also known as postal code) is a coding method for a country or region to divide the whole country in order to realize the automation of mail sorting and the digitalization of postal network, and to 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.

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.

In order to realize the automation of mail sorting and the digitalization of postal network and speed up mail delivery.

More than 140 countries in the world have successively implemented the postal coding system, which is regarded as one of the standards to measure the communication technology and postal service level of a country. Postal coding rules in different countries are not uniform.

The research and development of the new postal code began in May 20 18. It is expected that the "new postal code industry standard" will be released in the first half of 2020.