Home Postcode finder NSW Welaregang Welaregang postcode NSW Welaregang is a locality in New South Wales covered by postcode 2642. Postcode 2642 State or territory New South Wales (NSW) Region Canberra Add a free Welaregang business listing Be the first listing in Welaregang Common questionsWhat is the postcode for Welaregang?Welaregang, NSW has the postcode 2642.What state is Welaregang in?Welaregang is in New South Wales (NSW).Does postcode 2642 cover more than one suburb?Yes. Postcode 2642 covers 20 localities, so the postcode alone does not identify Welaregang. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.