Home Postcode finder NSW Mundongo Mundongo postcode NSW Mundongo 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 Mundongo business listing Be the first listing in Mundongo Common questionsWhat is the postcode for Mundongo?Mundongo, NSW has the postcode 2720.What state is Mundongo in?Mundongo 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 Mundongo. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.