Home Postcode finder NSW Gregadoo Gregadoo postcode NSW Gregadoo is a locality in New South Wales covered by postcode 2650. Postcode 2650 State or territory New South Wales (NSW) Region Canberra Add a free Gregadoo business listing Be the first listing in Gregadoo Common questionsWhat is the postcode for Gregadoo?Gregadoo, NSW has the postcode 2650.What state is Gregadoo in?Gregadoo is in New South Wales (NSW).Does postcode 2650 cover more than one suburb?Yes. Postcode 2650 covers 52 localities, so the postcode alone does not identify Gregadoo. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.