Home Postcode finder TAS Maydena Maydena postcode TAS Maydena is a locality in Tasmania covered by postcode 7140. Postcode 7140 State or territory Tasmania (TAS) Region Tasmania Add a free Maydena business listing More business listings in Maydena Businesses in MaydenaMaydena Primary School26 Kallista Rd · 03 62882214 Common questionsWhat is the postcode for Maydena?Maydena, TAS has the postcode 7140.What state is Maydena in?Maydena is in Tasmania (TAS).Does postcode 7140 cover more than one suburb?Yes. Postcode 7140 covers 48 localities, so the postcode alone does not identify Maydena. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.