Home Postcode finder NSW Cumberland Reach Cumberland Reach postcode NSW Cumberland Reach is a locality in New South Wales covered by postcode 2756. Postcode 2756 State or territory New South Wales (NSW) Region Nepean Add a free Cumberland Reach business listing Be the first listing in Cumberland Reach Common questionsWhat is the postcode for Cumberland Reach?Cumberland Reach, NSW has the postcode 2756.What state is Cumberland Reach in?Cumberland Reach is in New South Wales (NSW).Does postcode 2756 cover more than one suburb?Yes. Postcode 2756 covers 28 localities, so the postcode alone does not identify Cumberland Reach. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.