Home Postcode finder VIC Mount Napier Mount Napier postcode VIC Mount Napier is a locality in Victoria covered by postcode 3301. Postcode 3301 State or territory Victoria (VIC) Region Vic Far Country Add a free Mount Napier business listing Be the first listing in Mount Napier Common questionsWhat is the postcode for Mount Napier?Mount Napier, VIC has the postcode 3301.What state is Mount Napier in?Mount Napier is in Victoria (VIC).Does postcode 3301 cover more than one suburb?Yes. Postcode 3301 covers 15 localities, so the postcode alone does not identify Mount Napier. Browse other postcodes in Victoria, or widen the search to every Australian postcode.