Home Postcode finder TAS Lemont Lemont postcode TAS Lemont is a locality in Tasmania covered by postcode 7120. Postcode 7120 State or territory Tasmania (TAS) Region Tasmania Add a free Lemont business listing Be the first listing in Lemont Common questionsWhat is the postcode for Lemont?Lemont, TAS has the postcode 7120.What state is Lemont in?Lemont is in Tasmania (TAS).Does postcode 7120 cover more than one suburb?Yes. Postcode 7120 covers 19 localities, so the postcode alone does not identify Lemont. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.