Home Postcode finder NSW Northwood Northwood postcode NSW Northwood is a locality in New South Wales covered by postcode 2066. Postcode 2066 State or territory New South Wales (NSW) Region St Leonards Add a free Northwood business listing Be the first listing in Northwood Common questionsWhat is the postcode for Northwood?Northwood, NSW has the postcode 2066.What state is Northwood in?Northwood is in New South Wales (NSW).Does postcode 2066 cover more than one suburb?Yes. Postcode 2066 covers 7 localities, so the postcode alone does not identify Northwood. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.