To initiate an inquiry by telephone, you must call 800-222-1811. Please provide information regarding the mailing, including but not limited to the following:
a. The USPS Tracking number that appears on the receipt, mailing receipt number, or barcode number of the article.
b. The date of the mailing.
c. The names and addresses of the mailer and addressee.
d. The sender’s telephone number.
e. A description of the contents.