Home Postcode finder VIC Bona Vista Bona Vista postcode VIC Bona Vista is a locality in Victoria covered by postcode 3820. Postcode 3820 State or territory Victoria (VIC) Region Vic Country Add a free Bona Vista business listing More business listings in Bona Vista Businesses in Bona VistaBona Vista Primary SchoolBona Vista Rd · 03 56278435 Common questionsWhat is the postcode for Bona Vista?Bona Vista, VIC has the postcode 3820.What state is Bona Vista in?Bona Vista is in Victoria (VIC).Does postcode 3820 cover more than one suburb?Yes. Postcode 3820 covers 3 localities, so the postcode alone does not identify Bona Vista. Browse other postcodes in Victoria, or widen the search to every Australian postcode.