Home Postcode finder NSW Mount Thorley Mount Thorley postcode NSW Mount Thorley is a locality in New South Wales covered by postcode 2330. Postcode 2330 State or territory New South Wales (NSW) Region Hunter Add a free Mount Thorley business listing Be the first listing in Mount Thorley Common questionsWhat is the postcode for Mount Thorley?Mount Thorley, NSW has the postcode 2330.What state is Mount Thorley in?Mount Thorley is in New South Wales (NSW).Does postcode 2330 cover more than one suburb?Yes. Postcode 2330 covers 63 localities, so the postcode alone does not identify Mount Thorley. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.