Home Postcode finder NSW Woollamia Woollamia postcode NSW Woollamia 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 Woollamia business listing Be the first listing in Woollamia Common questionsWhat is the postcode for Woollamia?Woollamia, NSW has the postcode 2540.What state is Woollamia in?Woollamia 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 Woollamia. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.