When a USPS tracking numbers begins with "H", it means that "ECOMPRO" is being used to track the shipment. ECOMPRO is a service available on select USPS Priority Mail International shipments. Most notably, ECOMPRO shipments can be tracked all the way to the destination country. Learn more about ECOMPRO.
Which USPS services and countries provide tracking to the destination?
What is ECOMPRO?
What is E-USPS DELCON INTL?
Which Customs Forms are used by the US Postal Service?
How can I assure faster processing through customs?