Is Receipt Number Same as Tracking Number USPS?
收据号是否与USPS跟踪号码相同？
No. The receipt number is different from the USPS online tracking number. The tracking number is a separate
identification containing 22 digits but also located on the receipt.
不，收据编号与美国邮政跟踪号码不同。跟踪号码是一个单独的标识符，由 22 位数字组成，也列在收据上