Home Postcode finder NSW Upper Mangrove Upper Mangrove postcode NSW Upper 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 Upper Mangrove business listing Be the first listing in Upper Mangrove Common questionsWhat is the postcode for Upper Mangrove?Upper Mangrove, NSW has the postcode 2250.What state is Upper Mangrove in?Upper 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 Upper Mangrove. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.