abernethy postcode nswst Home ›› Postcode Finder ›› NSWST ›› Abernethy Abernethy local listingsThe suburb of Abernethy is located in NSW and has a postcode of 2325. Free abernethy business listing! Get the first free listing in abernethy! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.