The ZIP+four code identifies a certain geographic section within the 5-digit supply place, like a city block, a group of apartments, or simply a article office box. The ZIP+four code also can reveal the aspect of the street on which a creating is located.Sai m?t kh?u: ??m b?o r?ng b?n ?ã nh?p ?úng m?t kh?u. N?u b?n không ch?c ch?n v??m?t kh?u c