Home Postcode finder NSW Wallendbeen Wallendbeen postcode NSW Wallendbeen is a locality in New South Wales covered by postcode 2588. Postcode 2588 State or territory New South Wales (NSW) Region Canberra Add a free Wallendbeen business listing More business listings in Wallendbeen Businesses in WallendbeenWallendbeen Public SchoolKing St · 02 69432568 Common questionsWhat is the postcode for Wallendbeen?Wallendbeen, NSW has the postcode 2588.What state is Wallendbeen in?Wallendbeen is in New South Wales (NSW).Does postcode 2588 cover more than one suburb?No. Postcode 2588 covers Wallendbeen only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.