Home Postcode finder NSW Mount Werong Mount Werong postcode NSW Mount Werong is a locality in New South Wales covered by postcode 2787. Postcode 2787 State or territory New South Wales (NSW) Region NSW Country West Add a free Mount Werong business listing Be the first listing in Mount Werong Common questionsWhat is the postcode for Mount Werong?Mount Werong, NSW has the postcode 2787.What state is Mount Werong in?Mount Werong is in New South Wales (NSW).Does postcode 2787 cover more than one suburb?Yes. Postcode 2787 covers 19 localities, so the postcode alone does not identify Mount Werong. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.