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  1. Telephone numbers in the People's Republic of China are administered according to the Telecommunications Network Numbering Plan of China. The structure of telephone numbers for landlines and mobile service is different. Landline telephone numbers have area codes, whereas mobile numbers do not.

  2. China. Telephone numbers in China have 10 or 11 digits (excluding an initial zero which is required at times) and fall in at least four distinct categories: Landlines: In China, the length of phone numbers varies from city to city.

  3. China. Calling an 800-number is free of charge. Calling a 400-number incurs a local access charge. 800-numbers are accessible only to land-line subscribers, while 400-numbers are accessible to all land-line and mobile users. 800-toll-free numbers. 800 toll-free numbers are commonly called "800 免费电话".

  4. Telephone numbers in China are organized and assigned according to the Chinese Telephone Code Plan of mainland China. Land lines and mobile telephone numbers have different structures: land lines use area codes, while mobile phones do not. Land line phone numbers in major cities have 8 digits after the two digit area code, whereas in other ...

  5. A telephone number serves as an address for switching telephone calls using a system of destination code routing. [1] Telephone numbers are entered or dialed by a calling party on the originating telephone set, which transmits the sequence of digits in the process of signaling to a telephone exchange.