Hainan postal codes — China

Hainan is a province of China, made up of 5 cities.

Towns in Hainan include Meilan, Qiongshan, Longhua, Xiuyang, Wanning and Lingao, together with the surrounding localities whose postal codes are listed above.

• Danzhou
• Haikou
• Sansha
• Sanya
• Sheng Zhixiaxian Jixingzheng Quhua

How postal codes work in Hainan

China uses a single national postal-code format, written as 999999. Six digits, numeric only. Codes in Hainan follow that format like everywhere else in the country, for example 571700 for Danzhou.

Every code listed here for Hainan begins with the prefix 57, which groups its delivery areas together within China's national numbering.

Postal codes across China, Hainan included, are issued and maintained by China Post.

Addressing format

Addresses in China are written [Street name], [Postal code] [City] [Region], and an address in Hainan follows that same order:

What this dataset covers

This reference dataset lists 50 postal codes for Hainan across its cities, each paired with its locality and, where the source provides them, coordinates and a time zone.