Home Postcode finder NSW Wallanthery Wallanthery postcode NSW Wallanthery 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 Wallanthery business listing Be the first listing in Wallanthery Common questionsWhat is the postcode for Wallanthery?Wallanthery, NSW has the postcode 2675.What state is Wallanthery in?Wallanthery 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 Wallanthery. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.