When making international calls with landline or cell phone by yourself, first you must dial "00" ( international prefix ), then dial the country code, then the area code and local number.
When making domestic long distance calls with landline or cell phone ( to landline ) in China, you should first dial the area code starting with 0, then the local number.
When making domestic long distance calls with landline or cell phone ( to cell phone ) in China, you first should dial 0, then the cell phone number.
When calling a Chinese landline out China, you must first dial the international prefix number, for example in US you dial 011, then dial 86 the country code for China, then the area code and local number.
When calling a Chinese mobile number, you first need dial the international prefix number, then dial 86, then the mobile number.
