Please enter a USPS Tracking number or International Customs ID to lookup information on the package you received. For Endicia Global Service, please enter the Endicia Package Number. The shipper information will only be displayed if authorized by the sender.
The USPS Tracking Number or Customs ID is printed below the tracking barcode on the package label. For domestic shipments, the USPS Tracking Number is 22 digits long. For international shipments, the Customs ID is 13 characters long beginning with two letters and ending with "US". For Endicia Global Service, the Endicia Package number is 17 digits long and is printed above the USPS Barcode.