Home Postcode finder NSW Ettamogah Ettamogah postcode NSW Ettamogah is a locality in New South Wales covered by postcode 2640. Postcode 2640 State or territory New South Wales (NSW) Region Canberra Add a free Ettamogah business listing Be the first listing in Ettamogah Common questionsWhat is the postcode for Ettamogah?Ettamogah, NSW has the postcode 2640.What state is Ettamogah in?Ettamogah is in New South Wales (NSW).Does postcode 2640 cover more than one suburb?Yes. Postcode 2640 covers 16 localities, so the postcode alone does not identify Ettamogah. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.