3477 Address format, coded [C] Desc: To specify the content of the various address components. Repr: an..3 1 Street name followed by number Address street name followed by address number. 2 Number, road type, road name in this sequence House number followed by type of road and name of the road. 3 Road type, road name, number in this sequence Type of the road followed by name of the road and the house number. 4 Post office box Post office box. 5 Unstructured address Unstructured address, comprising an unspecified mix of components.