Home Postcode finder NSW Marthaguy Marthaguy postcode NSW Marthaguy is a locality in New South Wales covered by postcode 2824. Postcode 2824 State or territory New South Wales (NSW) Region NSW Country West Add a free Marthaguy business listing Be the first listing in Marthaguy Common questionsWhat is the postcode for Marthaguy?Marthaguy, NSW has the postcode 2824.What state is Marthaguy in?Marthaguy is in New South Wales (NSW).Does postcode 2824 cover more than one suburb?Yes. Postcode 2824 covers 15 localities, so the postcode alone does not identify Marthaguy. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.