If you have a tracking number and are unsure which carrier it belongs to, you can look up the carrier prefix online or contact the carrier's customer service for assistance.

China Post and the USPS have an agreement between them, which has helped speed up deliveries to the continental United States. Alternatively, if you want an even speedier delivery, you can contact the seller about choosing ePacket shipping for an even faster package delivery service.

Since the public isn't allowed to track mail trucks, the post office will use their private tracking system to give you an answer. However, the post office staff are always careful not to disclose information to the public since mail carriers sometimes carry sensitive mail.

Whether you are the sender or recipient, you can track your item: Online: Use USPS Tracking® on the United States Postal Service® website. By text: Send a text to 28777 (2USPS) with your tracking number as the content of the message.