Home Postcode finder TAS Harford Harford postcode TAS Harford is a locality in Tasmania covered by postcode 7307. Postcode 7307 State or territory Tasmania (TAS) Region Tasmania Add a free Harford business listing Be the first listing in Harford Common questionsWhat is the postcode for Harford?Harford, TAS has the postcode 7307.What state is Harford in?Harford is in Tasmania (TAS).Does postcode 7307 cover more than one suburb?Yes. Postcode 7307 covers 12 localities, so the postcode alone does not identify Harford. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.