Home Postcode finder NSWRV Neutral Bay Neutral Bay postcode NSWRV Neutral Bay is a locality in New South Wales covered by postcode 2089. Postcode 2089 State or territory New South Wales (NSWRV) Region St Leonards Add a free Neutral Bay business listing Be the first listing in Neutral Bay Common questionsWhat is the postcode for Neutral Bay?Neutral Bay, NSWRV has the postcode 2089.What state is Neutral Bay in?Neutral Bay is in New South Wales (NSWRV).Does postcode 2089 cover more than one suburb?Yes. Postcode 2089 covers 3 localities, so the postcode alone does not identify Neutral Bay. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.