Home Postcode finder VIC Sunbury Sunbury postcode VIC Sunbury is a locality in Victoria covered by postcode 3429. Postcode 3429 State or territory Victoria (VIC) Region Melbourne North West Add a free Sunbury business listing More business listings in Sunbury Businesses in SunburyAutolubeSunbury · (03) 9746 3799AutolubeSunbury · (03) 9746 3799B & S Hire99 Horne Street, Sunbury VIC, Australia · 03 9740 2788 Common questionsWhat is the postcode for Sunbury?Sunbury, VIC has the postcode 3429.What state is Sunbury in?Sunbury is in Victoria (VIC).Does postcode 3429 cover more than one suburb?Yes. Postcode 3429 covers 2 localities, so the postcode alone does not identify Sunbury. Browse other postcodes in Victoria, or widen the search to every Australian postcode.