Reduce the list, select first 2 letters of the city:
Listing cities (44 place(s)). Select the City to see the postcode(s):
Listing cities (44 place(s)). Select the City to see the postcode(s):
Position: Postcodes > China > Guangxi/广西 > Y.... >
Postcode finder: China, List of the cities starting with Y. China Guangxi/广西 Postcodes (Desktop version).