Home Postcode finder NSW Lockhart Lockhart postcode NSW Lockhart is a locality in New South Wales covered by postcode 2656. Postcode 2656 State or territory New South Wales (NSW) Region Canberra Add a free Lockhart business listing More business listings in Lockhart Businesses in LockhartLockhart Central School6 Halliday St · 02 69205209St Joseph's School37-53 Ferrier St · 02 69205437 Common questionsWhat is the postcode for Lockhart?Lockhart, NSW has the postcode 2656.What state is Lockhart in?Lockhart is in New South Wales (NSW).Does postcode 2656 cover more than one suburb?Yes. Postcode 2656 covers 8 localities, so the postcode alone does not identify Lockhart. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.