Home Postcode finder NSW Darkwood Darkwood postcode NSW Darkwood is a locality in New South Wales covered by postcode 2454. Postcode 2454 State or territory New South Wales (NSW) Region NSW North Coast Add a free Darkwood business listing Be the first listing in Darkwood Common questionsWhat is the postcode for Darkwood?Darkwood, NSW has the postcode 2454.What state is Darkwood in?Darkwood is in New South Wales (NSW).Does postcode 2454 cover more than one suburb?Yes. Postcode 2454 covers 13 localities, so the postcode alone does not identify Darkwood. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.