Home Postcode finder NSW Billeroy Billeroy postcode NSW Billeroy is a locality in New South Wales covered by postcode 2829. Postcode 2829 State or territory New South Wales (NSW) Region NSW Country West Add a free Billeroy business listing Be the first listing in Billeroy Common questionsWhat is the postcode for Billeroy?Billeroy, NSW has the postcode 2829.What state is Billeroy in?Billeroy is in New South Wales (NSW).Does postcode 2829 cover more than one suburb?Yes. Postcode 2829 covers 13 localities, so the postcode alone does not identify Billeroy. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.