Home Postcode finder NSW Corbie Hill Corbie Hill postcode NSW Corbie Hill is a locality in New South Wales covered by postcode 2705. Postcode 2705 State or territory New South Wales (NSW) Region Canberra Add a free Corbie Hill business listing Be the first listing in Corbie Hill Common questionsWhat is the postcode for Corbie Hill?Corbie Hill, NSW has the postcode 2705.What state is Corbie Hill in?Corbie Hill is in New South Wales (NSW).Does postcode 2705 cover more than one suburb?Yes. Postcode 2705 covers 8 localities, so the postcode alone does not identify Corbie Hill. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.