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