Home Postcode finder NSW Lake Brewster Lake Brewster postcode NSW Lake Brewster is a locality in New South Wales covered by postcode 2675. Postcode 2675 State or territory New South Wales (NSW) Region Canberra Add a free Lake Brewster business listing Be the first listing in Lake Brewster Common questionsWhat is the postcode for Lake Brewster?Lake Brewster, NSW has the postcode 2675.What state is Lake Brewster in?Lake Brewster is in New South Wales (NSW).Does postcode 2675 cover more than one suburb?Yes. Postcode 2675 covers 5 localities, so the postcode alone does not identify Lake Brewster. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.