Home Postcode finder VIC Wallan Wallan postcode VIC Wallan is a locality in Victoria covered by postcode 3756. Postcode 3756 State or territory Victoria (VIC) Region Melbourne North West Add a free Wallan business listing More business listings in Wallan Businesses in WallanWallan Primary School46-48 Queen St · 03 57831232Wallan Secondary College100 Duke St · 03 57834335Pins 'N' Potions65B Wellington St · 0417120078 Common questionsWhat is the postcode for Wallan?Wallan, VIC has the postcode 3756.What state is Wallan in?Wallan is in Victoria (VIC).Does postcode 3756 cover more than one suburb?Yes. Postcode 3756 covers 4 localities, so the postcode alone does not identify Wallan. Browse other postcodes in Victoria, or widen the search to every Australian postcode.