EEso es lo que me han mandado de USPS :

Dear CRISTOBAL TIRADO ONIEVA,

Thank you for contacting us about your item number, LJ625344330US.

I apologize, we have no information on your item using the tracking number provided.

Inquiries can be initiated for Global Express Guaranteed® (GXG) items, Express Mail International® items, Registered items, and Insured and ordinary parcels. Inquiries are not accepted for ordinary letters, Priority Mail International® flat-rate envelope items, or M-bags. Customers must wait a reasonable amount of time for an international item to be delivered in the foreign country before initiating an inquiry. You must initiate inquiries within the following time limits:

- Global Express Guaranteed® (Only the United States sender can file)
* No sooner than 3 days from the mailing date
* No later than 30 from the mailing date
- Express Mail International® (Only the United States sender can file)
* No sooner than 3 days from the mailing date
* No later than 90 days from the mailing date
- Express Mail International with Guarantee® (Only the United States sender can file)
* No sooner than 3 days from the mailing date
* No later than 30 days from the mailing date
- Registered Mail™ or Insured or ordinary parcels (Only the United States sender can file)
* No sooner than 7 days from the mailing date
* No later than 6 months from the mailing date

If your mailpiece falls within these guidelines, please have the United States sender call 1-800-222-1811:

Monday through Friday -- 8:00 AM to 9:30 PM (Eastern Time)
Saturday -- 9:00 AM to 7:00 PM (Eastern Time)
Sundays & Major Holidays -- Closed

If I can be of assistance to you in the future, please don't hesitate to contact me.

Thank you for choosing the United States Postal Service®.

Regards,

Jennie