Home Postcode finder NSWDL Ashby Island Ashby Island postcode NSWDL Ashby Island is a locality in New South Wales covered by postcode 2463. Postcode 2463 State or territory New South Wales (NSWDL) Region NSW North Coast Add a free Ashby Island business listing Be the first listing in Ashby Island Common questionsWhat is the postcode for Ashby Island?Ashby Island, NSWDL has the postcode 2463.What state is Ashby Island in?Ashby Island is in New South Wales (NSWDL).Does postcode 2463 cover more than one suburb?Yes. Postcode 2463 covers 18 localities, so the postcode alone does not identify Ashby Island. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.