Who can initiate an inquiry on a Registered First Class Mail International or Priority Mail International package?
Inquiries pertaining to the disposition of a Registered First Class Mail International item or a Priority Mail International package can be initiated by the sender calling 1-800-222-1811 and provide the Postal Service agent with the relevant mailing particulars within 183 calendar days of mailing.Claims may only be sent when at least one of the following criteria applies: