Home Postcode finder VIC Reservoir Reservoir postcode VIC Reservoir is a locality in Victoria covered by postcode 3073. Postcode 3073 State or territory Victoria (VIC) Region Preston Add a free Reservoir business listing More business listings in Reservoir Businesses in Reservoir MSC Performance43 Radford Road · (03) 9469 52823K Waterproofing38 Davidson Street, Reservoir VIC 3073, Australia · 0433 201 995ADSCT ClassifiedDaventry St · 0481760597 Common questionsWhat is the postcode for Reservoir?Reservoir, VIC has the postcode 3073.What state is Reservoir in?Reservoir 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. Browse other postcodes in Victoria, or widen the search to every Australian postcode.