Home Postcode finder NSW Caves Beach Caves Beach postcode NSW Caves Beach is a locality in New South Wales covered by postcode 2281. Postcode 2281 State or territory New South Wales (NSW) Region Hunter Add a free Caves Beach business listing More business listings in Caves Beach Businesses in Caves BeachCaves Beach Public SchoolPark Ave · 02 49711838Swansea High School78 Park Ave · 02 49711944 Common questionsWhat is the postcode for Caves Beach?Caves Beach, NSW has the postcode 2281.What state is Caves Beach in?Caves Beach is in New South Wales (NSW).Does postcode 2281 cover more than one suburb?Yes. Postcode 2281 covers 11 localities, so the postcode alone does not identify Caves Beach. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.