Home Postcode finder VIC Frankston East Frankston East postcode VIC Frankston East is a locality in Victoria covered by postcode 3199. Postcode 3199 State or territory Victoria (VIC) Region Frankston Add a free Frankston East business listing More business listings in Frankston East Businesses in Frankston EastSt John's SchoolJayne St · 03 97899794 Common questionsWhat is the postcode for Frankston East?Frankston East, VIC has the postcode 3199.What state is Frankston East in?Frankston East is in Victoria (VIC).Does postcode 3199 cover more than one suburb?Yes. Postcode 3199 covers 6 localities, so the postcode alone does not identify Frankston East. Browse other postcodes in Victoria, or widen the search to every Australian postcode.