Home Postcode finder VIC Newlands Arm Newlands Arm postcode VIC Newlands Arm is a locality in Victoria covered by postcode 3875. Postcode 3875 State or territory Victoria (VIC) Region Vic Far Country Add a free Newlands Arm business listing Be the first listing in Newlands Arm Common questionsWhat is the postcode for Newlands Arm?Newlands Arm, VIC has the postcode 3875.What state is Newlands Arm in?Newlands Arm is in Victoria (VIC).Does postcode 3875 cover more than one suburb?Yes. Postcode 3875 covers 34 localities, so the postcode alone does not identify Newlands Arm. Browse other postcodes in Victoria, or widen the search to every Australian postcode.