kinghorne postcode nswst Home ›› Postcode Finder ›› NSWST ›› Kinghorne Kinghorne local listingsThe suburb of Kinghorne is located in NSW and has a postcode of 2540. Free kinghorne business listing! Get the first free listing in kinghorne! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.