Home Postcode finder NSW Coolumburra Coolumburra postcode NSW Coolumburra is a locality in New South Wales covered by postcode 2622. Postcode 2622 State or territory New South Wales (NSW) Region Canberra Add a free Coolumburra business listing Be the first listing in Coolumburra Common questionsWhat is the postcode for Coolumburra?Coolumburra, NSW has the postcode 2622.What state is Coolumburra in?Coolumburra is in New South Wales (NSW).Does postcode 2622 cover more than one suburb?Yes. Postcode 2622 covers 50 localities, so the postcode alone does not identify Coolumburra. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.