Home Postcode finder NSW Boronia Park Boronia Park postcode NSW Boronia Park is a locality in New South Wales covered by postcode 2111. Postcode 2111 State or territory New South Wales (NSW) Region St Leonards Add a free Boronia Park business listing Be the first listing in Boronia Park Common questionsWhat is the postcode for Boronia Park?Boronia Park, NSW has the postcode 2111.What state is Boronia Park in?Boronia Park is in New South Wales (NSW).Does postcode 2111 cover more than one suburb?Yes. Postcode 2111 covers 7 localities, so the postcode alone does not identify Boronia Park. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.