Home Postcode finder NSW Gundary Gundary postcode NSW Gundary is a locality in New South Wales covered by postcode 2580. Postcode 2580 State or territory New South Wales (NSW) Region Canberra Add a free Gundary business listing Be the first listing in Gundary Common questionsWhat is the postcode for Gundary?Gundary, NSW has the postcode 2580.What state is Gundary in?Gundary is in New South Wales (NSW).Does postcode 2580 cover more than one suburb?Yes. Postcode 2580 covers 44 localities, so the postcode alone does not identify Gundary. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.