Home Postcode finder NSW Richmond Vale Richmond Vale postcode NSW Richmond Vale is a locality in New South Wales covered by postcode 2323. Postcode 2323 State or territory New South Wales (NSW) Region Hunter Add a free Richmond Vale business listing Be the first listing in Richmond Vale Common questionsWhat is the postcode for Richmond Vale?Richmond Vale, NSW has the postcode 2323.What state is Richmond Vale in?Richmond Vale is in New South Wales (NSW).Does postcode 2323 cover more than one suburb?Yes. Postcode 2323 covers 14 localities, so the postcode alone does not identify Richmond Vale. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.