duns-creek postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Duns-Creek Duns Creek local listingsThe suburb of Duns Creek is located in NSW and has a postcode of 2321. Free duns creek business listing! Get the first free listing in duns creek! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.