Home Postcode finder NSW Warriwillah Warriwillah postcode NSW Warriwillah is a locality in New South Wales covered by postcode 2429. Postcode 2429 State or territory New South Wales (NSW) Region Hunter Add a free Warriwillah business listing Be the first listing in Warriwillah Common questionsWhat is the postcode for Warriwillah?Warriwillah, NSW has the postcode 2429.What state is Warriwillah in?Warriwillah is in New South Wales (NSW).Does postcode 2429 cover more than one suburb?Yes. Postcode 2429 covers 32 localities, so the postcode alone does not identify Warriwillah. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.