Home Postcode finder VIC Katunga Katunga postcode VIC Katunga is a locality in Victoria covered by postcode 3640. Postcode 3640 State or territory Victoria (VIC) Region Vic Far Country Add a free Katunga business listing More business listings in Katunga Businesses in KatungaKatunga Primary SchoolCarter St · 03 58646365Katunga South Primary SchoolRMB 1560 Hays Rd · 03 58646212 Common questionsWhat is the postcode for Katunga?Katunga, VIC has the postcode 3640.What state is Katunga in?Katunga is in Victoria (VIC).Does postcode 3640 cover more than one suburb?No. Postcode 3640 covers Katunga only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.