Home Postcode finder NSW Warabrook Warabrook postcode NSW Warabrook is a locality in New South Wales covered by postcode 2304. Postcode 2304 State or territory New South Wales (NSW) Region Hunter Add a free Warabrook business listing Be the first listing in Warabrook Common questionsWhat is the postcode for Warabrook?Warabrook, NSW has the postcode 2304.What state is Warabrook in?Warabrook is in New South Wales (NSW).Does postcode 2304 cover more than one suburb?Yes. Postcode 2304 covers 7 localities, so the postcode alone does not identify Warabrook. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.