Home Postcode finder NSW Regents Park Regents Park postcode NSW Regents Park is a locality in New South Wales covered by postcode 2143. Postcode 2143 State or territory New South Wales (NSW) Region Leightonfield Add a free Regents Park business listing Be the first listing in Regents Park Common questionsWhat is the postcode for Regents Park?Regents Park, NSW has the postcode 2143.What state is Regents Park in?Regents Park is in New South Wales (NSW).Does postcode 2143 cover more than one suburb?Yes. Postcode 2143 covers 3 localities, so the postcode alone does not identify Regents Park. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.