Home Postcode finder NSW Manahan Manahan postcode NSW Manahan is a locality in New South Wales covered by postcode 2200. Postcode 2200 State or territory New South Wales (NSW) Region Leightonfield Add a free Manahan business listing Be the first listing in Manahan Common questionsWhat is the postcode for Manahan?Manahan, NSW has the postcode 2200.What state is Manahan in?Manahan is in New South Wales (NSW).Does postcode 2200 cover more than one suburb?Yes. Postcode 2200 covers 7 localities, so the postcode alone does not identify Manahan. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.