Home Postcode finder NSWDL Sallys Flat Sallys Flat postcode NSWDL Sallys 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 Sallys Flat business listing Be the first listing in Sallys Flat Common questionsWhat is the postcode for Sallys Flat?Sallys Flat, NSWDL has the postcode 2850.What state is Sallys Flat in?Sallys 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 Sallys Flat. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.