Home Postcode finder TAS Kelso Kelso postcode TAS Kelso is a locality in Tasmania covered by postcode 7270. Postcode 7270 State or territory Tasmania (TAS) Region Tasmania Add a free Kelso business listing Be the first listing in Kelso Common questionsWhat is the postcode for Kelso?Kelso, TAS has the postcode 7270.What state is Kelso in?Kelso is in Tasmania (TAS).Does postcode 7270 cover more than one suburb?Yes. Postcode 7270 covers 11 localities, so the postcode alone does not identify Kelso. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.