kosciuszko postcode nsw Home ›› Postcode Finder ›› NSW ›› Kosciuszko Kosciuszko local listingsThe suburb of Kosciuszko is located in NSW and has a postcode of 2627. Free kosciuszko business listing! Get the first free listing in kosciuszko! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.