Addressing Fact Sheet for First-Class Flats
This document is for mailers who are sending flat-size mail (such as large envelopes) at Automation and Presorted First-Class Mail prices. To use these prices, you must mail at least 500 pieces at a time, prepared and sorted according to Postal Service guidelines.
12/16/2025
Addressing Fact Sheet for USPS Marketing Mail Flats
This document is for business mailers who are sending flat-size USPS Marketing Mail (such as large envelopes, catalogs, and circulars). To use the USPS Marketing Mail prices, you must send at least 200 pieces or 50 pounds of mail at a time, prepared and sorted according to Postal Service guidelines.
USPS Ship Package Data Feeds
This document outlines the steps for shippers to access package data feeds through the USPS Informed Visibility Mail Tracking & Reporting (IV-MTR) application.
10/08/2025
08/26/2025
08/20/2025
07/07/2025
About Mailers' Technical Advisory Committee (MTAC) User Group 2
This document provides a brief description of MTAC User Group 2 for PTR and eVS/USPS Ship and provides a contact for joining the group.
07/07/2025
07/07/2025
Intelligent Mail Tray Label Technical Fact Sheet
This document provides fact sheet providing technical specifications on the acquisition, implementation, and benefits of the Intelligent Mail Tray Label.
06/26/2025
About Mailers' Technical Advisory Committee (MTAC) User Group 4
This document provides a brief description of MTAC User Group 4 for mail visibility and provides a contact for requesting to join the group.