Home Postcodes by state VIC 3755 Postcode 3755 3755 is the postcode for Yan Yean, VIC. Localities with postcode 3755Yan YeanVIC Postcode 3755 State or territory Victoria (VIC) Localities 1 Council area Whittlesea Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3754 · Postcode 3756