Reduce the list, select first 2 letters of the city:
Listing cities (32 place(s)). Select the City to see the postcode(s):
Listing cities (32 place(s)). Select the City to see the postcode(s):
Position: Postcodes > Switzerland > Kanton Aargau > B.... >
Postcode finder: Switzerland, List of the cities starting with B. Switzerland Kanton Aargau Postcodes (Desktop version).