Home Postcode finder VIC Croydon Croydon postcode VIC Croydon is a locality in Victoria covered by postcode 3136. Postcode 3136 State or territory Victoria (VIC) Region Ringwood Add a free Croydon business listing More business listings in Croydon Businesses in Croydon Connect Business Agents1-7 Maroondah Highway · 03 9879 6833ABM Painting ServicesBayswater Road · 1800 018 536Arn Pro Automotive18 Coolstore Road, Croydon VIC 3136, Australia · 03 9839 8920 Common questionsWhat is the postcode for Croydon?Croydon, VIC has the postcode 3136.What state is Croydon in?Croydon is in Victoria (VIC).Does postcode 3136 cover more than one suburb?Yes. Postcode 3136 covers 4 localities, so the postcode alone does not identify Croydon. Browse other postcodes in Victoria, or widen the search to every Australian postcode.