Home Postcode finder TAS Mayfield Mayfield postcode TAS Mayfield is a locality in Tasmania covered by postcode 7248. Postcode 7248 State or territory Tasmania (TAS) Region Tasmania Add a free Mayfield business listing More business listings in Mayfield Businesses in MayfieldMayfield Primary School17 Mitchell St · 03 63262602 Common questionsWhat is the postcode for Mayfield?Mayfield, TAS has the postcode 7248.What state is Mayfield in?Mayfield is in Tasmania (TAS).Does postcode 7248 cover more than one suburb?Yes. Postcode 7248 covers 5 localities, so the postcode alone does not identify Mayfield. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.