Home Postcode finder NSW Billywillinga Billywillinga postcode NSW Billywillinga is a locality in New South Wales covered by postcode 2795. Postcode 2795 State or territory New South Wales (NSW) Region NSW Country West Add a free Billywillinga business listing Be the first listing in Billywillinga Common questionsWhat is the postcode for Billywillinga?Billywillinga, NSW has the postcode 2795.What state is Billywillinga in?Billywillinga is in New South Wales (NSW).Does postcode 2795 cover more than one suburb?Yes. Postcode 2795 covers 96 localities, so the postcode alone does not identify Billywillinga. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.