Using the comprehensive ZIP+4 Code when mailing by using the USPS assures the swiftest, most accurate mailing doable. If you are not confident of the complete nine-digit ZIP Code, utilize the five-digit ZIP Code in order to avoid loss of letter or deal.Luôn ph?i s??d?ng ???ng d?n chính th?c vào trang ch??do b??ph?n CSKH cung c?p. Tuy?t ??i khôn