Reduce the list, select first 2 letters of the city:
Listing cities (170 place(s)). Select the City to see the postcode(s):
Listing cities (170 place(s)). Select the City to see the postcode(s):
Position: Postcodes > Germany > Niedersachsen > H.... >
Postcode finder: Germany, List of the cities starting with H. Germany Niedersachsen Postcodes (Desktop version).