Home Postcode finder VIC Reservoir East Reservoir East postcode VIC Reservoir East is a locality in Victoria covered by postcode 3073. Postcode 3073 State or territory Victoria (VIC) Region Preston Add a free Reservoir East business listing More business listings in Reservoir East Businesses in Reservoir EastSt Stephen's School71 Whitelaw St · 03 94603566 Common questionsWhat is the postcode for Reservoir East?Reservoir East, VIC has the postcode 3073.What state is Reservoir East in?Reservoir East is in Victoria (VIC).Does postcode 3073 cover more than one suburb?Yes. Postcode 3073 covers 5 localities, so the postcode alone does not identify Reservoir East. Browse other postcodes in Victoria, or widen the search to every Australian postcode.