The most phone numbers in list below need not add area code when dialing within mainland China. If you use a cell phone, you can not dail any number like 800 xxx xxxx, for it was closed to mobile system.

110 Police
114 Local telephone number inquiry and area code inquiry
119 Fire
120 Ambulance
122 Traffic Accident
 
11185 Postal code inquiry
10000 China Telecome customer service
10086 China Mobile customer service
10010 China Unicom customer service
12315 Consumer Complain  
95533 China Bank of Construction
95555 China Merchants Bank
95566 Bank of China customer service 
95588 Industrial and Commercial Bank of China (ICBC)
95599 Agricultural Bank of China
8008301880(020) 38801267 (for mobile) Citibank
8008208878(020) 83918133 (for mobile) HSBC
8008208088(0755) 25892333 (for mobile) Standard Chartered Bank
 
4008100999 Air China
95808 China Eastern Airlines
95080(0755) 88814023 Shenzhen Airlines
0592-5739888  Xiamen Airlines
950718  8008768999 Hainan Airlines
(020) 95539 (Guangzhou) China Southern Airlines 
4006096777 Shandong Airlines
4008300999 Sichuan Airlines
4008808808 Air France (AF)
4008828888(010) 65909191 All Nippon Airways (NH)
4008140081 Northwest Airlines (NW)
4008112001 Canadian Airlines (CP)
4008886628 Cathay Pacific (CX)
4008886628 Dragonair (KA)
4008880808 Japan Airlines (JL)
4006588888 Korean Air (KE)
4008830880 Swissair (SR)
(010) 65052257 (Beijing) Pakistan International Airlines
(010) 65052233 (Beijing) Swissair (SQ)

(021) 53524999 (Shanghai)
(010) 64688838 (Beijing)
(020) 28326588 (Guangzhou)
Lufthansa (LH)

(010) 64590081 (Beijing)
(021) 68355633 (Shanghai)
British Airways (BA) 
010-65052681
 Malaysia Airlines (MH)
 
(010) 65679006 (Beijing)
(020) 61450188 (Shanghai)
 Qant, as (QF)

(010) 84686666 (Beijing)
(021) 33114567 (Shanghai)
(020) 83652345 (Guangzhou)
 United Airlines (UA) 
 

8008108000 DHL China
8008302338 Fedex China
8008208388 UPS China