Home Postcode finder NSW Old Grevillia Old Grevillia postcode NSW Old Grevillia is a locality in New South Wales covered by postcode 2474. Postcode 2474 State or territory New South Wales (NSW) Region NSW North Coast Add a free Old Grevillia business listing Be the first listing in Old Grevillia Common questionsWhat is the postcode for Old Grevillia?Old Grevillia, NSW has the postcode 2474.What state is Old Grevillia in?Old Grevillia is in New South Wales (NSW).Does postcode 2474 cover more than one suburb?Yes. Postcode 2474 covers 46 localities, so the postcode alone does not identify Old Grevillia. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.