Reduce the list, select first 2 letters of the city:
Listing cities (40 place(s)). Select the City to see the postcode(s):
Listing cities (40 place(s)). Select the City to see the postcode(s):
Position: Postcodes > Czech Republic > Ostrava-město > O.... >
Postcode finder: Czech Republic, List of the cities starting with O. Czech Republic Ostrava-město Postcodes (Desktop version).