Home Postcode finder NSW Hassans Walls Hassans Walls postcode NSW Hassans Walls is a locality in New South Wales covered by postcode 2790. Postcode 2790 State or territory New South Wales (NSW) Region NSW Country West Add a free Hassans Walls business listing Be the first listing in Hassans Walls Common questionsWhat is the postcode for Hassans Walls?Hassans Walls, NSW has the postcode 2790.What state is Hassans Walls in?Hassans Walls is in New South Wales (NSW).Does postcode 2790 cover more than one suburb?Yes. Postcode 2790 covers 40 localities, so the postcode alone does not identify Hassans Walls. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.