Home Postcode finder NSW Upper Kangaroo River Upper Kangaroo River postcode NSW Upper Kangaroo River is a locality in New South Wales covered by postcode 2577. Postcode 2577 State or territory New South Wales (NSW) Region Ingleburn Add a free Upper Kangaroo River business listing Be the first listing in Upper Kangaroo River Common questionsWhat is the postcode for Upper Kangaroo River?Upper Kangaroo River, NSW has the postcode 2577.What state is Upper Kangaroo River in?Upper Kangaroo River is in New South Wales (NSW).Does postcode 2577 cover more than one suburb?Yes. Postcode 2577 covers 30 localities, so the postcode alone does not identify Upper Kangaroo River. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.