Home Postcode finder VIC Northwood Northwood postcode VIC Northwood is a locality in Victoria covered by postcode 3660. Postcode 3660 State or territory Victoria (VIC) Region Vic Far Country Add a free Northwood business listing Be the first listing in Northwood Common questionsWhat is the postcode for Northwood?Northwood, VIC has the postcode 3660.What state is Northwood in?Northwood is in Victoria (VIC).Does postcode 3660 cover more than one suburb?Yes. Postcode 3660 covers 10 localities, so the postcode alone does not identify Northwood. Browse other postcodes in Victoria, or widen the search to every Australian postcode.