Home Postcode finder VIC Serviceton Serviceton postcode VIC Serviceton is a locality in Victoria covered by postcode 3420. Postcode 3420 State or territory Victoria (VIC) Region Vic Far Country Add a free Serviceton business listing Be the first listing in Serviceton Common questionsWhat is the postcode for Serviceton?Serviceton, VIC has the postcode 3420.What state is Serviceton in?Serviceton is in Victoria (VIC).Does postcode 3420 cover more than one suburb?Yes. Postcode 3420 covers 3 localities, so the postcode alone does not identify Serviceton. Browse other postcodes in Victoria, or widen the search to every Australian postcode.