Home Postcode finder NSW Triangle Flat Triangle Flat postcode NSW Triangle Flat is a locality in New South Wales covered by postcode 2795. Postcode 2795 State or territory New South Wales (NSW) Region NSW Country West Add a free Triangle Flat business listing Be the first listing in Triangle Flat Common questionsWhat is the postcode for Triangle Flat?Triangle Flat, NSW has the postcode 2795.What state is Triangle Flat in?Triangle Flat is in New South Wales (NSW).Does postcode 2795 cover more than one suburb?Yes. Postcode 2795 covers 96 localities, so the postcode alone does not identify Triangle Flat. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.