freeburn-island postcode nswst Home ›› Postcode Finder ›› NSWST ›› Freeburn-Island Freeburn Island local listingsThe suburb of Freeburn Island is located in NSW and has a postcode of 2464. Free freeburn island business listing! Get the first free listing in freeburn island! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.