What's the postal code? What is the postal code of Shenzhen?

Postal code (called postal code in Taiwan Province Province) is a coding method that a country divides the whole country in order to realize the automation of mail sorting and the digitalization of postal network, and to speed up mail delivery. Postal coding system has become one of the standards to measure a country's communication technology and postal service level.

The postcode of Shenzhen is 5 18000.