Home Postcode finder NSW Wallaroo Wallaroo postcode NSW Wallaroo is a locality in New South Wales covered by postcode 2618. Postcode 2618 State or territory New South Wales (NSW) Region Canberra Add a free Wallaroo business listing Be the first listing in Wallaroo Common questionsWhat is the postcode for Wallaroo?Wallaroo, NSW has the postcode 2618.What state is Wallaroo in?Wallaroo is in New South Wales (NSW).Does postcode 2618 cover more than one suburb?Yes. Postcode 2618 covers 3 localities, so the postcode alone does not identify Wallaroo. It also appears in 2 states or territories, so it does not identify a state either. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.