Reduce the list, select first 2 letters of the city:
Listing cities (42 place(s)). Select the City to see the postcode(s):
Listing cities (42 place(s)). Select the City to see the postcode(s):
Position: Postcodes > Japan > Miyazakiken > I.... >
Postcode finder: Japan, List of the cities starting with I. Japan Miyazakiken Postcodes (Desktop version).