Home Postcode finder NSW Reidsdale Reidsdale postcode NSW Reidsdale 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 Reidsdale business listing Be the first listing in Reidsdale Common questionsWhat is the postcode for Reidsdale?Reidsdale, NSW has the postcode 2622.What state is Reidsdale in?Reidsdale 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 Reidsdale. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.