Reduce the list, select first 2 letters of the city:
Listing cities (27 place(s)). Select the City to see the postcode(s):
Listing cities (27 place(s)). Select the City to see the postcode(s):
Position: Postcodes > China > Shanghai/上海 > X.... >
Postcode finder: China, List of the cities starting with X. China Shanghai/上海 Postcodes (Desktop version).