Home Postcode finder NSW Dooralong Dooralong postcode NSW Dooralong is a locality in New South Wales covered by postcode 2259. Postcode 2259 State or territory New South Wales (NSW) Region Gosford Add a free Dooralong business listing Be the first listing in Dooralong Common questionsWhat is the postcode for Dooralong?Dooralong, NSW has the postcode 2259.What state is Dooralong in?Dooralong is in New South Wales (NSW).Does postcode 2259 cover more than one suburb?Yes. Postcode 2259 covers 42 localities, so the postcode alone does not identify Dooralong. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.