Home Postcode finder NSW Violet Hill Violet Hill postcode NSW Violet Hill is a locality in New South Wales covered by postcode 2423. Postcode 2423 State or territory New South Wales (NSW) Region Hunter Add a free Violet Hill business listing Be the first listing in Violet Hill Common questionsWhat is the postcode for Violet Hill?Violet Hill, NSW has the postcode 2423.What state is Violet Hill in?Violet Hill is in New South Wales (NSW).Does postcode 2423 cover more than one suburb?Yes. Postcode 2423 covers 20 localities, so the postcode alone does not identify Violet Hill. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.