Home Postcode finder NSW Hopefield Hopefield postcode NSW Hopefield is a locality in New South Wales covered by postcode 2646. Postcode 2646 State or territory New South Wales (NSW) Region Canberra Add a free Hopefield business listing Be the first listing in Hopefield Common questionsWhat is the postcode for Hopefield?Hopefield, NSW has the postcode 2646.What state is Hopefield in?Hopefield is in New South Wales (NSW).Does postcode 2646 cover more than one suburb?Yes. Postcode 2646 covers 15 localities, so the postcode alone does not identify Hopefield. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.