Home Postcode finder TAS Cuckoo Cuckoo postcode TAS Cuckoo is a locality in Tasmania covered by postcode 7260. Postcode 7260 State or territory Tasmania (TAS) Region Tasmania Add a free Cuckoo business listing Be the first listing in Cuckoo Common questionsWhat is the postcode for Cuckoo?Cuckoo, TAS has the postcode 7260.What state is Cuckoo in?Cuckoo is in Tasmania (TAS).Does postcode 7260 cover more than one suburb?Yes. Postcode 7260 covers 15 localities, so the postcode alone does not identify Cuckoo. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.