Reduce the list, select first 2 letters of the city:
Listing cities (52 place(s)). Select the City to see the postcode(s):
Listing cities (52 place(s)). Select the City to see the postcode(s):
Position: Postcodes > Indonesia > Yogyakarta > P.... >
Postcode finder: Indonesia, List of the cities starting with P. Indonesia Yogyakarta Postcodes (Desktop version).