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