I am very frustrated with the USPS. Take your USPS tracking to another level with Ship24's tracking API. Please, I hope you do something about this. When I went to the post office they told thats it is not with them . If you come across an issue with your USPS package, you need ...
Postal Service Internal Mail Effective December 9, 2004, chapter 3 of Handbook DM-103, Official Mail, is revised to reflect changes made over the past 4 years for tracking and reporting Postal Servicet internal mail. In addition, all single-piece G-10 permit imprint letter- and flat-size ...