Area Codes and Postal Codes for the City of Tianjin
Area
Area Code
Postal Code
City of Tianjin
022
300000
Heping District
022
300000
Hedong District
022
300000
Hexi District
022
300000
Nankai District
022
300000
Hebei District
022
300000
Hongqiao District
022
300000
Dagang District
022
300000
Dongli District
022
300000
Xiqing District
022
300000
Jinnan District
022
300000
Beichen District
022
300000
Tanggu District
022
300450
Hangu District
022
300480
Ninghe County
022
301500
Jinghai County
022
301600
Wuqing District
022
301700
Baodi District
022
301800
Ji County
022
301900
via
CNPC
c.2012