Home Postcode finder NSW Macarthur Square Macarthur Square postcode NSW Macarthur Square is a locality in New South Wales covered by postcode 2560. Postcode 2560 State or territory New South Wales (NSW) Region Ingleburn Add a free Macarthur Square business listing Be the first listing in Macarthur Square Common questionsWhat is the postcode for Macarthur Square?Macarthur Square, NSW has the postcode 2560.What state is Macarthur Square in?Macarthur Square is in New South Wales (NSW).Does postcode 2560 cover more than one suburb?Yes. Postcode 2560 covers 19 localities, so the postcode alone does not identify Macarthur Square. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.