Home Postcode finder NSW Coolringdon Coolringdon postcode NSW Coolringdon is a locality in New South Wales covered by postcode 2630. Postcode 2630 State or territory New South Wales (NSW) Region Canberra Add a free Coolringdon business listing Be the first listing in Coolringdon Common questionsWhat is the postcode for Coolringdon?Coolringdon, NSW has the postcode 2630.What state is Coolringdon in?Coolringdon is in New South Wales (NSW).Does postcode 2630 cover more than one suburb?Yes. Postcode 2630 covers 39 localities, so the postcode alone does not identify Coolringdon. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.