Home Postcode finder NSW Wirragulla Wirragulla postcode NSW Wirragulla is a locality in New South Wales covered by postcode 2420. Postcode 2420 State or territory New South Wales (NSW) Region Hunter Add a free Wirragulla business listing Be the first listing in Wirragulla Common questionsWhat is the postcode for Wirragulla?Wirragulla, NSW has the postcode 2420.What state is Wirragulla in?Wirragulla is in New South Wales (NSW).Does postcode 2420 cover more than one suburb?Yes. Postcode 2420 covers 23 localities, so the postcode alone does not identify Wirragulla. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.