Home Postcode finder NSW Hollisdale Hollisdale postcode NSW Hollisdale is a locality in New South Wales covered by postcode 2446. Postcode 2446 State or territory New South Wales (NSW) Region NSW North Coast Add a free Hollisdale business listing Be the first listing in Hollisdale Common questionsWhat is the postcode for Hollisdale?Hollisdale, NSW has the postcode 2446.What state is Hollisdale in?Hollisdale is in New South Wales (NSW).Does postcode 2446 cover more than one suburb?Yes. Postcode 2446 covers 41 localities, so the postcode alone does not identify Hollisdale. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.