Home Postcode finder NSW Lacmalac Lacmalac postcode NSW Lacmalac is a locality in New South Wales covered by postcode 2720. Postcode 2720 State or territory New South Wales (NSW) Region Canberra Add a free Lacmalac business listing Be the first listing in Lacmalac Common questionsWhat is the postcode for Lacmalac?Lacmalac, NSW has the postcode 2720.What state is Lacmalac in?Lacmalac is in New South Wales (NSW).Does postcode 2720 cover more than one suburb?Yes. Postcode 2720 covers 28 localities, so the postcode alone does not identify Lacmalac. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.