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