Home Postcode finder VIC Gunbower Gunbower postcode VIC Gunbower is a locality in Victoria covered by postcode 3566. Postcode 3566 State or territory Victoria (VIC) Region Vic Far Country Add a free Gunbower business listing More business listings in Gunbower Businesses in GunbowerGunbower Primary SchoolSchool Rd · 03 54871323 Common questionsWhat is the postcode for Gunbower?Gunbower, VIC has the postcode 3566.What state is Gunbower in?Gunbower is in Victoria (VIC).Does postcode 3566 cover more than one suburb?No. Postcode 3566 covers Gunbower only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.