Home Postcode finder NSW The Marra The Marra postcode NSW The Marra is a locality in New South Wales covered by postcode 2831. Postcode 2831 State or territory New South Wales (NSW) Region NSW Country West Add a free The Marra business listing Be the first listing in The Marra Common questionsWhat is the postcode for The Marra?The Marra, NSW has the postcode 2831.What state is The Marra in?The Marra is in New South Wales (NSW).Does postcode 2831 cover more than one suburb?Yes. Postcode 2831 covers 23 localities, so the postcode alone does not identify The Marra. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.