Home Postcode finder NSW Morning Bay Morning Bay postcode NSW Morning Bay is a locality in New South Wales covered by postcode 2105. Postcode 2105 State or territory New South Wales (NSW) Region Frenchs Forest Add a free Morning Bay business listing Be the first listing in Morning Bay Common questionsWhat is the postcode for Morning Bay?Morning Bay, NSW has the postcode 2105.What state is Morning Bay in?Morning Bay is in New South Wales (NSW).Does postcode 2105 cover more than one suburb?Yes. Postcode 2105 covers 5 localities, so the postcode alone does not identify Morning Bay. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.