Home Postcode finder NSW Cogra Bay Cogra Bay postcode NSW Cogra Bay is a locality in New South Wales covered by postcode 2083. Postcode 2083 State or territory New South Wales (NSW) Region Pymble Add a free Cogra Bay business listing Be the first listing in Cogra Bay Common questionsWhat is the postcode for Cogra Bay?Cogra Bay, NSW has the postcode 2083.What state is Cogra Bay in?Cogra Bay is in New South Wales (NSW).Does postcode 2083 cover more than one suburb?Yes. Postcode 2083 covers 7 localities, so the postcode alone does not identify Cogra Bay. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.