Home Postcode finder NSW Warkworth Warkworth postcode NSW Warkworth is a locality in New South Wales covered by postcode 2330. Postcode 2330 State or territory New South Wales (NSW) Region Hunter Add a free Warkworth business listing Be the first listing in Warkworth Common questionsWhat is the postcode for Warkworth?Warkworth, NSW has the postcode 2330.What state is Warkworth in?Warkworth is in New South Wales (NSW).Does postcode 2330 cover more than one suburb?Yes. Postcode 2330 covers 63 localities, so the postcode alone does not identify Warkworth. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.