Home Postcode finder VIC Thomastown Thomastown postcode VIC Thomastown is a locality in Victoria covered by postcode 3074. Postcode 3074 State or territory Victoria (VIC) Region Ringwood Add a free Thomastown business listing More business listings in Thomastown Businesses in Thomastown Colonial Print And Copy3 · (03) 9078 1900 Mojak PlasticsHorne Street · 03 9462 102513 IT(TV)1 Clay Ct, Thomastown VIC 3074, Australia · 0385292833 Common questionsWhat is the postcode for Thomastown?Thomastown, VIC has the postcode 3074.What state is Thomastown in?Thomastown is in Victoria (VIC).Does postcode 3074 cover more than one suburb?No. Postcode 3074 covers Thomastown only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.