killcare-heights postcode nswst Home ›› Postcode Finder ›› NSWST ›› Killcare-Heights Killcare Heights local listingsThe suburb of Killcare Heights is located in NSW and has a postcode of 2257. Free killcare heights business listing! Get the first free listing in killcare heights! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.