Home Postcode finder NSW Mount Kembla Mount Kembla postcode NSW Mount Kembla is a locality in New South Wales covered by postcode 2526. Postcode 2526 State or territory New South Wales (NSW) Region Illawarra Add a free Mount Kembla business listing Be the first listing in Mount Kembla Common questionsWhat is the postcode for Mount Kembla?Mount Kembla, NSW has the postcode 2526.What state is Mount Kembla in?Mount Kembla is in New South Wales (NSW).Does postcode 2526 cover more than one suburb?Yes. Postcode 2526 covers 7 localities, so the postcode alone does not identify Mount Kembla. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.