Home Postcode finder VIC Portland North Portland North postcode VIC Portland North is a locality in Victoria covered by postcode 3305. Postcode 3305 State or territory Victoria (VIC) Region Vic Far Country Add a free Portland North business listing Be the first listing in Portland North Common questionsWhat is the postcode for Portland North?Portland North, VIC has the postcode 3305.What state is Portland North in?Portland North is in Victoria (VIC).Does postcode 3305 cover more than one suburb?Yes. Postcode 3305 covers 12 localities, so the postcode alone does not identify Portland North. Browse other postcodes in Victoria, or widen the search to every Australian postcode.