Home Postcode finder TAS Montagu Bay Montagu Bay postcode TAS Montagu Bay is a locality in Tasmania covered by postcode 7018. Postcode 7018 State or territory Tasmania (TAS) Region Tasmania Add a free Montagu Bay business listing More business listings in Montagu Bay Businesses in Montagu BayMontagu Bay Primary School10 Conara Rd · 03 62441897 Common questionsWhat is the postcode for Montagu Bay?Montagu Bay, TAS has the postcode 7018.What state is Montagu Bay in?Montagu Bay is in Tasmania (TAS).Does postcode 7018 cover more than one suburb?Yes. Postcode 7018 covers 8 localities, so the postcode alone does not identify Montagu Bay. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.