Home Postcodes by state VIC 3136 Postcode 3136 3136 is the postcode for 4 localities in VIC: Croydon, Croydon Hills, Croydon North and Croydon South. Localities with postcode 3136CroydonVICCroydon HillsVICCroydon NorthVICCroydon SouthVIC Postcode 3136 State or territory Victoria (VIC) Localities 4 Council area Maroondah Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3135 · Postcode 3137