Home Postcode finder TAS Cramps Bay Cramps Bay postcode TAS Cramps Bay is a locality in Tasmania covered by postcode 7030. Postcode 7030 State or territory Tasmania (TAS) Region Tasmania Add a free Cramps Bay business listing Be the first listing in Cramps Bay Common questionsWhat is the postcode for Cramps Bay?Cramps Bay, TAS has the postcode 7030.What state is Cramps Bay in?Cramps Bay is in Tasmania (TAS).Does postcode 7030 cover more than one suburb?Yes. Postcode 7030 covers 35 localities, so the postcode alone does not identify Cramps Bay. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.