Reduce the list, select first 2 letters of the city:
Listing cities (126 place(s)). Select the City to see the postcode(s):
Listing cities (126 place(s)). Select the City to see the postcode(s):
Position: Postcodes > China > Sichuan/四川 > G.... >
Postcode finder: China, List of the cities starting with G. China Sichuan/四川 Postcodes (Desktop version).