Home Postcode finder NSW Wamban Wamban postcode NSW Wamban is a locality in New South Wales covered by postcode 2537. Postcode 2537 State or territory New South Wales (NSW) Region NSW Country West Add a free Wamban business listing Be the first listing in Wamban Common questionsWhat is the postcode for Wamban?Wamban, NSW has the postcode 2537.What state is Wamban in?Wamban is in New South Wales (NSW).Does postcode 2537 cover more than one suburb?Yes. Postcode 2537 covers 17 localities, so the postcode alone does not identify Wamban. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.