Home Postcode finder VIC Indigo Valley Indigo Valley postcode VIC Indigo Valley is a locality in Victoria covered by postcode 3688. Postcode 3688 State or territory Victoria (VIC) Region Vic Far Country Add a free Indigo Valley business listing More business listings in Indigo Valley Businesses in Indigo ValleyTooley's Crane HireIndigo · 0418 578 070 Common questionsWhat is the postcode for Indigo Valley?Indigo Valley, VIC has the postcode 3688.What state is Indigo Valley in?Indigo Valley is in Victoria (VIC).Does postcode 3688 cover more than one suburb?Yes. Postcode 3688 covers 2 localities, so the postcode alone does not identify Indigo Valley. Browse other postcodes in Victoria, or widen the search to every Australian postcode.