Home Postcode finder NSW Maldon Maldon postcode NSW Maldon is a locality in New South Wales covered by postcode 2571. Postcode 2571 State or territory New South Wales (NSW) Region Ingleburn Add a free Maldon business listing Be the first listing in Maldon Common questionsWhat is the postcode for Maldon?Maldon, NSW has the postcode 2571.What state is Maldon in?Maldon is in New South Wales (NSW).Does postcode 2571 cover more than one suburb?Yes. Postcode 2571 covers 8 localities, so the postcode alone does not identify Maldon. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.