USPS

Learn how to identify USPS involvement in the final delivery of cross-border ecommerce parcels. These guides explain local tracking numbers, the difference between shipment information and carrier possession, and handoffs from 4PX or YunExpress. Check the assigned carrier and its shipment record before giving customers a final-delivery update.

4PX package handed over to a US last-mile carrier with local tracking details
2026年7月10日

How to Find Who Delivers 4PX in the US After Handoff

Who delivers 4PX in the US? USPS is one of the most common last-mile carriers, but it is not guaranteed. Depending on…

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An ecommerce shipping desk connects an international parcel record to a US last-mile handoff
2026年7月1日

How to Know Who Delivers YunExpress in USA After Customs

If you are asking who delivers YunExpress in the USA, the short answer is: usually USPS, but not always. Some US-bound parcels…

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