Home Postcode finder NSW Wirrimah Wirrimah postcode NSW Wirrimah is a locality in New South Wales covered by postcode 2803. Postcode 2803 State or territory New South Wales (NSW) Region NSW Country West Add a free Wirrimah business listing Be the first listing in Wirrimah Common questionsWhat is the postcode for Wirrimah?Wirrimah, NSW has the postcode 2803.What state is Wirrimah in?Wirrimah is in New South Wales (NSW).Does postcode 2803 cover more than one suburb?Yes. Postcode 2803 covers 3 localities, so the postcode alone does not identify Wirrimah. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.