Home Postcode finder NSW Lake Cathie Lake Cathie postcode NSW Lake Cathie is a locality in New South Wales covered by postcode 2445. Postcode 2445 State or territory New South Wales (NSW) Region NSW North Coast Add a free Lake Cathie business listing More business listings in Lake Cathie Businesses in Lake CathieOcean Club Resort1333 Ocean Drive · 1800 462 326Termite MansionPO Box 295 · 1300 349 382 Common questionsWhat is the postcode for Lake Cathie?Lake Cathie, NSW has the postcode 2445.What state is Lake Cathie in?Lake Cathie is in New South Wales (NSW).Does postcode 2445 cover more than one suburb?Yes. Postcode 2445 covers 4 localities, so the postcode alone does not identify Lake Cathie. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.