duffys-forest postcode nsw Home ›› Postcode Finder ›› NSW ›› Duffys-Forest Duffys Forest local listingsThe suburb of Duffys Forest is located in NSW and has a postcode of 2084. Free duffys forest business listing! Get the first free listing in duffys forest! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.