Home Postcode finder NSW Duffys Forest Duffys Forest postcode NSW Duffys Forest is a locality in New South Wales covered by postcode 2084. Postcode 2084 State or territory New South Wales (NSW) Region Frenchs Forest Add a free Duffys Forest business listing More business listings in Duffys Forest Businesses in Duffys ForestAGBU Alexander Primary SchoolCnr Thuddrunga & Namba Rds · 02 94863266Hanrob Pet Hotels Duffys Forest1 Bibbenluke Avenue, Duffys Forest NSW, Australia · 1300426762 Common questionsWhat is the postcode for Duffys Forest?Duffys Forest, NSW has the postcode 2084.What state is Duffys Forest in?Duffys Forest is in New South Wales (NSW).Does postcode 2084 cover more than one suburb?Yes. Postcode 2084 covers 3 localities, so the postcode alone does not identify Duffys Forest. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.