Canada (CAN) Country Information Description ISO2 CA ISO3 CAN Address Format Change Before 2019Q2.0 After 2019Q2.0 Building SubBuilding PostBox DeliveryInstallationType DeliveryInstallationQualifierName Locality AdministrativeArea PostalCode Building SubBuilding PostBox DeliveryInstallationType DeliveryInstallationQualifierName Locality AdministrativeArea PostalCode 2019Q1.1 – PO Box is placed above Delivery Installation. 2019Q2.0 – PO Box is placed same line with Delivery Installation.