Includes information on internet accessibility, the cellular phone technology in use, which U.S. cell phone services work in this country, the prevalence of Wi-Fi in hotels, what types of voltage and plugs are used, and other technological information of interest to U.S. businesses.
Last Published: 7/20/2017

International and domestic phone calls can be made with little difficulty in China, particularly in the major cities. International and domestic calls can typically be made directly from hotel rooms and phone cards and SIM cards are widely available. Phones can be rented at the airport arrival terminals for short term use.

City Codes
Cities shown are where the U.S. Government has an Embassy or Consulate. For calls made within China, add a “0” before the city code. For calls made to China, dial “86” before the city code. When calling China from the United States, add “011” before the country code.

Beijing: 10
Chengdu: 28
Guangzhou: 20
Shanghai: 21
Shenyang: 24
Wuhan: 27
Hong Kong: 852

Telephone Operators
Local Directory Assistance (some English): 114
Other Numbers (Emergencies)
U.S. Embassy: 011-86 10-8531-3000. Within Beijing, dial 8531-3000 (American Citizen Services) and listen for the menu options. For after-hours emergencies only, dial 8531-3000, and ask the operator or the Marine Guard receiving the call to let you speak to the Duty Officer.

Additional important information, including travel advisories, can be found at the Misson China’s U.S. Citizen Service’s website:
Emergency/Fire (Chinese & English): 119
Police (Chinese & English ): 110
Medical Emergency (Chinese & English): 120

All visitors should be aware that they have no expectation of privacy in public or private locations. The U.S. Embassy regularly receives reports of human and technical monitoring of U.S. citizens.

All hotel rooms and offices are considered to be subject to on-site or remote technical monitoring at all times. Hotel rooms, residences, and offices may be accessed at any time without the occupants’ consent or knowledge. Elevators and public areas of housing compounds are also under continuous surveillance.

All means of communication--telephones, mobile phones, faxes, e-mails, text messages, etc.--are likely monitored. The government has access to the infrastructure operated by the limited number of internet service providers (ISPs) and wireless providers. Wireless access to the Internet in major metropolitan areas is becoming more common.

Prepared by our U.S. Embassies abroad. With its network of 108 offices across the United States and in more than 75 countries, the U.S. Commercial Service of the U.S. Department of Commerce utilizes its global presence and international marketing expertise to help U.S. companies sell their products and services worldwide. Locate the U.S. Commercial Service trade specialist in the U.S. nearest you by visiting

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