Home Postcode finder NSW Lower Mangrove Lower Mangrove postcode NSW Lower Mangrove is a locality in New South Wales covered by postcode 2250. Postcode 2250 State or territory New South Wales (NSW) Region Gosford Add a free Lower Mangrove business listing Be the first listing in Lower Mangrove Common questionsWhat is the postcode for Lower Mangrove?Lower Mangrove, NSW has the postcode 2250.What state is Lower Mangrove in?Lower Mangrove is in New South Wales (NSW).Does postcode 2250 cover more than one suburb?Yes. Postcode 2250 covers 34 localities, so the postcode alone does not identify Lower Mangrove. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.