Everybody knows Thai post is a world's renowned company. In just a week, hundreds and thousands of packages are sent and received, so there are chances to crash the whole mail system if there is any big company. So I'm telling you Thai post is a dependable and reliable company, so they also have the solution to this problem. Thai post always cares for their customers, so they offer a free service to their customers to easily track their Thai parcels, so they get to know about their parcel shipment date and time. Thai Post even has its tracing app in the play store and Mac app store. For Thaipost tracking in English enter the tracking number above and trace your Thai courier.