Home Postcode finder TAS Parkham Parkham postcode TAS Parkham is a locality in Tasmania covered by postcode 7304. Postcode 7304 State or territory Tasmania (TAS) Region Tasmania Add a free Parkham business listing Be the first listing in Parkham Common questionsWhat is the postcode for Parkham?Parkham, TAS has the postcode 7304.What state is Parkham in?Parkham is in Tasmania (TAS).Does postcode 7304 cover more than one suburb?Yes. Postcode 7304 covers 29 localities, so the postcode alone does not identify Parkham. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.