Home Postcode finder TAS Gawler Gawler postcode TAS Gawler is a locality in Tasmania covered by postcode 7315. Postcode 7315 State or territory Tasmania (TAS) Region Tasmania Add a free Gawler business listing More business listings in Gawler Businesses in GawlerLaing Homes9 McNaughton Dr, Gawler TAS 7315, Australia · 1300 146 393 Common questionsWhat is the postcode for Gawler?Gawler, TAS has the postcode 7315.What state is Gawler in?Gawler is in Tasmania (TAS).Does postcode 7315 cover more than one suburb?Yes. Postcode 7315 covers 17 localities, so the postcode alone does not identify Gawler. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.