The original telephone networks in Hainan Province include Haikou, Sanya and Danzhou with area codes of 0898, 0899 and 0890 respectively. After the interconnection in May 20065438 18, the long distance in Hainan Province was cancelled, and the domestic long distance area code in Hainan Province was adjusted to 0898. There are eight telephone numbers in the province. The specific promotion methods are: add 6 before the original telephone number for Haikou local network telephone, 8 before the original telephone number for Sanya local network telephone and 2 before the original telephone number for Danzhou local network telephone. ?

Introduction to Hainan

Hainan province? , referred to as "Joan", is the southernmost provincial administrative region in People's Republic of China (PRC)? Haikou, the provincial capital. It is a special economic zone and a free trade pilot zone in China. Located in the south of China, it is bordered by Qiongzhou Strait in the north, Guangxi and Viet Nam in the west, Taiwan Province Province in the South China Sea in the east, and the Philippines, Brunei and Malaysia in the southeast and south respectively.

Hainan Province has a total land area of 35,400 square kilometers, including 33,900 square kilometers in Hainan Island and 2 million square kilometers in sea area. It is the largest "tropical treasure land" in China, with a total coastline of1823km and a total sea area of about 2 million square kilometers. It is the largest marine province in China. Zhongsha islands, the islands and reefs of Nansha Islands and their sea areas are the largest provinces in China.

As of September 20 15, Hainan province has four prefecture-level cities, five county-level cities, four counties and six autonomous counties. As of 202 1, the resident population of Hainan Province is 10204600.