S? l??c v??cách th?c ??ng ký OK9 Quy trình ??ng ký OK9 ?ang nh?n ???c nhi?u ?ánh giá tích c?c b?i m?t s???u ?i?m n?i b?t nh? sau:The USPS created ZIP Codes with the expedient shipping and delivery of mail. Their boundaries are based upon mail routes and shipping and delivery factors rather than geographic components or jurisdiction boundarie