Home Postcode finder NSW Hawkesbury Heights Hawkesbury Heights postcode NSW Hawkesbury Heights is a locality in New South Wales covered by postcode 2777. Postcode 2777 State or territory New South Wales (NSW) Region Nepean Add a free Hawkesbury Heights business listing Be the first listing in Hawkesbury Heights Common questionsWhat is the postcode for Hawkesbury Heights?Hawkesbury Heights, NSW has the postcode 2777.What state is Hawkesbury Heights in?Hawkesbury Heights is in New South Wales (NSW).Does postcode 2777 cover more than one suburb?Yes. Postcode 2777 covers 6 localities, so the postcode alone does not identify Hawkesbury Heights. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.