Home Postcode finder NSW Tibbuc Tibbuc postcode NSW Tibbuc is a locality in New South Wales covered by postcode 2422. Postcode 2422 State or territory New South Wales (NSW) Region Hunter Add a free Tibbuc business listing Be the first listing in Tibbuc Common questionsWhat is the postcode for Tibbuc?Tibbuc, NSW has the postcode 2422.What state is Tibbuc in?Tibbuc is in New South Wales (NSW).Does postcode 2422 cover more than one suburb?Yes. Postcode 2422 covers 45 localities, so the postcode alone does not identify Tibbuc. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.