Home Postcode finder NSW Lake Hiawatha Lake Hiawatha postcode NSW Lake Hiawatha is a locality in New South Wales covered by postcode 2462. Postcode 2462 State or territory New South Wales (NSW) Region NSW North Coast Add a free Lake Hiawatha business listing Be the first listing in Lake Hiawatha Common questionsWhat is the postcode for Lake Hiawatha?Lake Hiawatha, NSW has the postcode 2462.What state is Lake Hiawatha in?Lake Hiawatha is in New South Wales (NSW).Does postcode 2462 cover more than one suburb?Yes. Postcode 2462 covers 12 localities, so the postcode alone does not identify Lake Hiawatha. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.