Reduce the list, select first 2 letters of the city:
Listing cities (636 place(s)). Select the City to see the postcode(s):
Listing cities (636 place(s)). Select the City to see the postcode(s):
Position: Postcodes > Australia > New South Wales > B.... >
Postcode finder: Australia, List of the cities starting with B. Australia New South Wales Postcodes (Desktop version).