Home Postcode finder NSW Knights Hill Knights Hill postcode NSW Knights Hill is a locality in New South Wales covered by postcode 2577. Postcode 2577 State or territory New South Wales (NSW) Region Ingleburn Add a free Knights Hill business listing Be the first listing in Knights Hill Common questionsWhat is the postcode for Knights Hill?Knights Hill, NSW has the postcode 2577.What state is Knights Hill in?Knights Hill is in New South Wales (NSW).Does postcode 2577 cover more than one suburb?Yes. Postcode 2577 covers 30 localities, so the postcode alone does not identify Knights Hill. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.