Home Postcode finder NSW Coalcliff Coalcliff postcode NSW Coalcliff is a locality in New South Wales covered by postcode 2508. Postcode 2508 State or territory New South Wales (NSW) Region Illawarra Add a free Coalcliff business listing Be the first listing in Coalcliff Common questionsWhat is the postcode for Coalcliff?Coalcliff, NSW has the postcode 2508.What state is Coalcliff in?Coalcliff is in New South Wales (NSW).Does postcode 2508 cover more than one suburb?Yes. Postcode 2508 covers 9 localities, so the postcode alone does not identify Coalcliff. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.