Home Postcode finder VIC Foster Foster postcode VIC Foster is a locality in Victoria covered by postcode 3960. Postcode 3960 State or territory Victoria (VIC) Region Vic Far Country Add a free Foster business listing More business listings in Foster Businesses in FosterFoster Primary School67-85 Pioneer St · 03 56822370South Gippsland Secondary CollegeHoddle Rd · 03 56822066 Common questionsWhat is the postcode for Foster?Foster, VIC has the postcode 3960.What state is Foster in?Foster is in Victoria (VIC).Does postcode 3960 cover more than one suburb?Yes. Postcode 3960 covers 13 localities, so the postcode alone does not identify Foster. Browse other postcodes in Victoria, or widen the search to every Australian postcode.