Home Postcode finder TAS Montumana Montumana postcode TAS Montumana is a locality in Tasmania covered by postcode 7321. Postcode 7321 State or territory Tasmania (TAS) Region Tasmania Add a free Montumana business listing Be the first listing in Montumana Common questionsWhat is the postcode for Montumana?Montumana, TAS has the postcode 7321.What state is Montumana in?Montumana is in Tasmania (TAS).Does postcode 7321 cover more than one suburb?Yes. Postcode 7321 covers 35 localities, so the postcode alone does not identify Montumana. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.