Home Postcode finder VIC Sedgwick Sedgwick postcode VIC Sedgwick is a locality in Victoria covered by postcode 3551. Postcode 3551 State or territory Victoria (VIC) Region Vic Country Add a free Sedgwick business listing More business listings in Sedgwick Businesses in SedgwickZOX Pro Training860 Sedgwick Road · +61400599295 Common questionsWhat is the postcode for Sedgwick?Sedgwick, VIC has the postcode 3551.What state is Sedgwick in?Sedgwick is in Victoria (VIC).Does postcode 3551 cover more than one suburb?Yes. Postcode 3551 covers 37 localities, so the postcode alone does not identify Sedgwick. Browse other postcodes in Victoria, or widen the search to every Australian postcode.