Home Postcode finder NSW Frenchs Forest Frenchs Forest postcode NSW Frenchs Forest is a locality in New South Wales covered by postcode 2086. Postcode 2086 State or territory New South Wales (NSW) Region Frenchs Forest Add a free Frenchs Forest business listing Be the first listing in Frenchs Forest Common questionsWhat is the postcode for Frenchs Forest?Frenchs Forest, NSW has the postcode 2086.What state is Frenchs Forest in?Frenchs Forest is in New South Wales (NSW).Does postcode 2086 cover more than one suburb?Yes. Postcode 2086 covers 2 localities, so the postcode alone does not identify Frenchs Forest. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.