Home Postcode finder VIC Barnawartha Barnawartha postcode VIC Barnawartha is a locality in Victoria covered by postcode 3688. Postcode 3688 State or territory Victoria (VIC) Region Vic Far Country Add a free Barnawartha business listing More business listings in Barnawartha Businesses in BarnawarthaBarnawartha Primary School11-17 Stanley St · 02 60267227 Common questionsWhat is the postcode for Barnawartha?Barnawartha, VIC has the postcode 3688.What state is Barnawartha in?Barnawartha is in Victoria (VIC).Does postcode 3688 cover more than one suburb?Yes. Postcode 3688 covers 2 localities, so the postcode alone does not identify Barnawartha. Browse other postcodes in Victoria, or widen the search to every Australian postcode.