Home Postcode finder VIC Newington Newington postcode VIC Newington is a locality in Victoria covered by postcode 3350. Postcode 3350 State or territory Victoria (VIC) Region Vic Country Add a free Newington business listing More business listings in Newington Businesses in NewingtonBallarat Emergency Plumbing99r Redan Street, Newington Ballarat, VIC 3350, Australia · 0408342300 Common questionsWhat is the postcode for Newington?Newington, VIC has the postcode 3350.What state is Newington in?Newington is in Victoria (VIC).Does postcode 3350 cover more than one suburb?Yes. Postcode 3350 covers 21 localities, so the postcode alone does not identify Newington. Browse other postcodes in Victoria, or widen the search to every Australian postcode.