Home Postcode finder NSW Grong Grong Grong Grong postcode NSW Grong Grong is a locality in New South Wales covered by postcode 2652. Postcode 2652 State or territory New South Wales (NSW) Region Canberra Add a free Grong Grong business listing More business listings in Grong Grong Businesses in Grong GrongGrong Grong Public SchoolJunee St · 02 69562165 Common questionsWhat is the postcode for Grong Grong?Grong Grong, NSW has the postcode 2652.What state is Grong Grong in?Grong Grong is in New South Wales (NSW).Does postcode 2652 cover more than one suburb?Yes. Postcode 2652 covers 19 localities, so the postcode alone does not identify Grong Grong. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.