Home Postcode finder VIC Upper Plenty Upper Plenty postcode VIC Upper Plenty is a locality in Victoria covered by postcode 3756. Postcode 3756 State or territory Victoria (VIC) Region Melbourne North West Add a free Upper Plenty business listing More business listings in Upper Plenty Businesses in Upper PlentyUpper Plenty Primary SchoolClarkes Rd · 03 57831358 Common questionsWhat is the postcode for Upper Plenty?Upper Plenty, VIC has the postcode 3756.What state is Upper Plenty in?Upper Plenty is in Victoria (VIC).Does postcode 3756 cover more than one suburb?Yes. Postcode 3756 covers 4 localities, so the postcode alone does not identify Upper Plenty. Browse other postcodes in Victoria, or widen the search to every Australian postcode.