hornsby-heights postcode nswst Home ›› Postcode Finder ›› NSWST ›› Hornsby-Heights Hornsby Heights local listingsThe suburb of Hornsby Heights is located in NSW and has a postcode of 2077. Free hornsby heights business listing! Get the first free listing in hornsby heights! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.