Home Postcode finder NSW Lowanna Lowanna postcode NSW Lowanna is a locality in New South Wales covered by postcode 2450. Postcode 2450 State or territory New South Wales (NSW) Region NSW North Coast Add a free Lowanna business listing More business listings in Lowanna Businesses in LowannaLowanna Public SchoolCoramba Rd · 02 66545243 Common questionsWhat is the postcode for Lowanna?Lowanna, NSW has the postcode 2450.What state is Lowanna in?Lowanna is in New South Wales (NSW).Does postcode 2450 cover more than one suburb?Yes. Postcode 2450 covers 19 localities, so the postcode alone does not identify Lowanna. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.