Home Postcode finder NSWDL Apple Tree Flat Apple Tree Flat postcode NSWDL Apple Tree Flat is a locality in New South Wales covered by postcode 2850. Postcode 2850 State or territory New South Wales (NSWDL) Region NSW Country West Add a free Apple Tree Flat business listing Be the first listing in Apple Tree Flat Common questionsWhat is the postcode for Apple Tree Flat?Apple Tree Flat, NSWDL has the postcode 2850.What state is Apple Tree Flat in?Apple Tree Flat is in New South Wales (NSWDL).Does postcode 2850 cover more than one suburb?Yes. Postcode 2850 covers 77 localities, so the postcode alone does not identify Apple Tree Flat. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.