Home Postcode finder VIC Plenty Plenty postcode VIC Plenty is a locality in Victoria covered by postcode 3090. Postcode 3090 State or territory Victoria (VIC) Region Melbourne North West Add a free Plenty business listing More business listings in Plenty Businesses in PlentyAumann's Building & Garden Supplies170 Yan Yean Rd · 03 9432 5113Costin Quantity Surveyorsbeck rd · 0430042884 Common questionsWhat is the postcode for Plenty?Plenty, VIC has the postcode 3090.What state is Plenty in?Plenty is in Victoria (VIC).Does postcode 3090 cover more than one suburb?No. Postcode 3090 covers Plenty only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.