Home Postcode finder NSW Gangat Gangat postcode NSW Gangat 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 Gangat business listing Be the first listing in Gangat Common questionsWhat is the postcode for Gangat?Gangat, NSW has the postcode 2422.What state is Gangat in?Gangat 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 Gangat. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.