Home Postcode finder NSW Lansdowne Lansdowne postcode NSW Lansdowne is a locality in New South Wales covered by postcode 2430. Postcode 2430 State or territory New South Wales (NSW) Region Hunter Add a free Lansdowne business listing More business listings in Lansdowne Businesses in LansdowneLansdowne Public SchoolCnr Cundle Rd & Macquarie St · 02 65567147Smith Plastering & RenovationsTaree Street, Lansdowne NSW 2430, Australia · 0448855372 Common questionsWhat is the postcode for Lansdowne?Lansdowne, NSW has the postcode 2430.What state is Lansdowne in?Lansdowne is in New South Wales (NSW).Does postcode 2430 cover more than one suburb?Yes. Postcode 2430 covers 39 localities, so the postcode alone does not identify Lansdowne. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.