Home Postcode finder TAS Newnham Newnham postcode TAS Newnham is a locality in Tasmania covered by postcode 7248. Postcode 7248 State or territory Tasmania (TAS) Region Tasmania Add a free Newnham business listing More business listings in Newnham Businesses in NewnhamCamsas Cleaning Contractors60 Parklands Parade · 0400528472Seabrook Christian School103-105 Georgetown Rd · 03 63268885 Common questionsWhat is the postcode for Newnham?Newnham, TAS has the postcode 7248.What state is Newnham in?Newnham 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 Newnham. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.