Home Postcode finder NSW Ryan Ryan postcode NSW Ryan is a locality in New South Wales covered by postcode 2658. Postcode 2658 State or territory New South Wales (NSW) Region Canberra Add a free Ryan business listing Be the first listing in Ryan Common questionsWhat is the postcode for Ryan?Ryan, NSW has the postcode 2658.What state is Ryan in?Ryan is in New South Wales (NSW).Does postcode 2658 cover more than one suburb?Yes. Postcode 2658 covers 4 localities, so the postcode alone does not identify Ryan. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.