Home Postcode finder NSWDL South Ballina South Ballina postcode NSWDL South Ballina is a locality in New South Wales covered by postcode 2478. Postcode 2478 State or territory New South Wales (NSWDL) Region NSW North Coast Add a free South Ballina business listing Be the first listing in South Ballina Common questionsWhat is the postcode for South Ballina?South Ballina, NSWDL has the postcode 2478.What state is South Ballina in?South Ballina is in New South Wales (NSWDL).Does postcode 2478 cover more than one suburb?Yes. Postcode 2478 covers 15 localities, so the postcode alone does not identify South Ballina. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.