Home Postcode finder NSW Woy Woy Bay Woy Woy Bay postcode NSW Woy Woy Bay is a locality in New South Wales covered by postcode 2256. Postcode 2256 State or territory New South Wales (NSW) Region Gosford Add a free Woy Woy Bay business listing Be the first listing in Woy Woy Bay Common questionsWhat is the postcode for Woy Woy Bay?Woy Woy Bay, NSW has the postcode 2256.What state is Woy Woy Bay in?Woy Woy Bay is in New South Wales (NSW).Does postcode 2256 cover more than one suburb?Yes. Postcode 2256 covers 10 localities, so the postcode alone does not identify Woy Woy Bay. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.