Home Postcode finder VIC Dartmouth Dartmouth postcode VIC Dartmouth is a locality in Victoria covered by postcode 3701. Postcode 3701 State or territory Victoria (VIC) Region Vic Far Country Add a free Dartmouth business listing Be the first listing in Dartmouth Common questionsWhat is the postcode for Dartmouth?Dartmouth, VIC has the postcode 3701.What state is Dartmouth in?Dartmouth is in Victoria (VIC).Does postcode 3701 cover more than one suburb?Yes. Postcode 3701 covers 9 localities, so the postcode alone does not identify Dartmouth. Browse other postcodes in Victoria, or widen the search to every Australian postcode.