852 is the area code of Hongkong, China. Hong Kong (HK) is called People's Republic of China (PRC) Special Administrative Region (HKSAR) for short, and the international area code used in the Hong Kong Special Administrative Region is 852.

852 is the area code of Hongkong, China. In Chinese mainland, if you want to make an international call (including Hong Kong, Macao and Taiwan), you need to add the international crown code "00" first, then add the international area code and the user's telephone number before you can get through.

Hong Kong Telephone Dialing:

Because mainland calls to Hong Kong, Macao and Taiwan are international calls, mainland landlines or mobile phones need to turn on the international call function before dialing.

1, mobile users:

After the real-name registration system, mobile users can open international calls, but they can open them directly in the mobile business hall. Note: International calls cannot be made in the mobile online business hall.

2. Unicom users:

According to the regulations, a certain amount of international long-distance charges can be paid in advance in Unicom's business hall to open international calls; Or log on to the online business hall, enter "self-service" > "business handling" > "international business", and handle international long-distance business according to your own needs.

3. Telecom users:

Bring my ID card to apply for a telecom mobile phone card to the local telecom company to open international roaming service.