Home Postcode finder TAS Interlaken Interlaken postcode TAS Interlaken is a locality in Tasmania covered by postcode 7030. Postcode 7030 State or territory Tasmania (TAS) Region Tasmania Add a free Interlaken business listing Be the first listing in Interlaken Common questionsWhat is the postcode for Interlaken?Interlaken, TAS has the postcode 7030.What state is Interlaken in?Interlaken 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 Interlaken. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.