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?a mình, hãy làm theo h??ng d?n trong ph?n “Quên m?t kh?u??The USPS made ZIP Codes for the expedient shipping of mail. Their boundaries are based on mail routes and delivery factors as an alternative to geographic things or jurisdiction boundaries.T