Home Postcode finder NSW Two Mile Flat Two Mile Flat postcode NSW Two Mile Flat is a locality in New South Wales covered by postcode 2852. Postcode 2852 State or territory New South Wales (NSW) Region NSW Country West Add a free Two Mile Flat business listing Be the first listing in Two Mile Flat Common questionsWhat is the postcode for Two Mile Flat?Two Mile Flat, NSW has the postcode 2852.What state is Two Mile Flat in?Two Mile Flat is in New South Wales (NSW).Does postcode 2852 cover more than one suburb?Yes. Postcode 2852 covers 14 localities, so the postcode alone does not identify Two Mile Flat. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.