Home Postcode finder NSW Kybeyan Kybeyan postcode NSW Kybeyan is a locality in New South Wales covered by postcode 2631. Postcode 2631 State or territory New South Wales (NSW) Region Canberra Add a free Kybeyan business listing Be the first listing in Kybeyan Common questionsWhat is the postcode for Kybeyan?Kybeyan, NSW has the postcode 2631.What state is Kybeyan in?Kybeyan is in New South Wales (NSW).Does postcode 2631 cover more than one suburb?Yes. Postcode 2631 covers 12 localities, so the postcode alone does not identify Kybeyan. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.