Home Postcode finder NSW Willoughby North Willoughby North postcode NSW Willoughby North is a locality in New South Wales covered by postcode 2068. Postcode 2068 State or territory New South Wales (NSW) Region St Leonards Add a free Willoughby North business listing Be the first listing in Willoughby North Common questionsWhat is the postcode for Willoughby North?Willoughby North, NSW has the postcode 2068.What state is Willoughby North in?Willoughby North is in New South Wales (NSW).Does postcode 2068 cover more than one suburb?Yes. Postcode 2068 covers 6 localities, so the postcode alone does not identify Willoughby North. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.