Home Postcode finder NSW Black Hill Black Hill postcode NSW Black Hill is a locality in New South Wales covered by postcode 2322. Postcode 2322 State or territory New South Wales (NSW) Region Hunter Add a free Black Hill business listing Be the first listing in Black Hill Common questionsWhat is the postcode for Black Hill?Black Hill, NSW has the postcode 2322.What state is Black Hill in?Black Hill is in New South Wales (NSW).Does postcode 2322 cover more than one suburb?Yes. Postcode 2322 covers 10 localities, so the postcode alone does not identify Black Hill. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.