Home Postcode finder NSW Kirkham Kirkham postcode NSW Kirkham is a locality in New South Wales covered by postcode 2570. Postcode 2570 State or territory New South Wales (NSW) Region Ingleburn Add a free Kirkham business listing Be the first listing in Kirkham Common questionsWhat is the postcode for Kirkham?Kirkham, NSW has the postcode 2570.What state is Kirkham in?Kirkham is in New South Wales (NSW).Does postcode 2570 cover more than one suburb?Yes. Postcode 2570 covers 22 localities, so the postcode alone does not identify Kirkham. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.