Home Postcode finder VIC Nariel Valley Nariel Valley postcode VIC Nariel Valley is a locality in Victoria covered by postcode 3707. Postcode 3707 State or territory Victoria (VIC) Region Vic Far Country Add a free Nariel Valley business listing Be the first listing in Nariel Valley Common questionsWhat is the postcode for Nariel Valley?Nariel Valley, VIC has the postcode 3707.What state is Nariel Valley in?Nariel Valley is in Victoria (VIC).Does postcode 3707 cover more than one suburb?Yes. Postcode 3707 covers 9 localities, so the postcode alone does not identify Nariel Valley. It also appears in 2 states or territories, so it does not identify a state either. Browse other postcodes in Victoria, or widen the search to every Australian postcode.