Home Postcode finder NSW Tallowal Tallowal postcode NSW Tallowal is a locality in New South Wales covered by postcode 2540. Postcode 2540 State or territory New South Wales (NSW) Region NSW Country West Add a free Tallowal business listing Be the first listing in Tallowal Common questionsWhat is the postcode for Tallowal?Tallowal, NSW has the postcode 2540.What state is Tallowal in?Tallowal is in New South Wales (NSW).Does postcode 2540 cover more than one suburb?Yes. Postcode 2540 covers 68 localities, so the postcode alone does not identify Tallowal. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.