Home Postcode finder NSW Red Rock Red Rock postcode NSW Red Rock is a locality in New South Wales covered by postcode 2456. Postcode 2456 State or territory New South Wales (NSW) Region NSW North Coast Add a free Red Rock business listing Be the first listing in Red Rock Common questionsWhat is the postcode for Red Rock?Red Rock, NSW has the postcode 2456.What state is Red Rock in?Red Rock is in New South Wales (NSW).Does postcode 2456 cover more than one suburb?Yes. Postcode 2456 covers 10 localities, so the postcode alone does not identify Red Rock. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.