Release Notes
06/18/2025
Priority Mail Next Day/Post Host Release Overview
Announcements
06/17/2025
INFORMATIONAL - USPS APIs System Maintenance
Announcements
06/17/2025
Post Office/ZIP Code Entries for Postal Bulletin 6/26/2025

This spreadsheet provides details on the Post Office/ZIP Code entry changes for Postal Bulletin issue 6/26/2025.

Announcements
06/17/2025
The 2025 PCC Health Check Survey Launch
User Guides
06/17/2025
Provisioning Informed Delivery® Post-Campaign (IDPC) Data in Informed Visibility® Mail Tracking & Reporting (IV®-MTR)

This guide provides instructions for receiving Informed Delivery Post-Campaign (IDPC) detailed data through the IV Mail Tracking & Reporting (IV-MTR) application. Instructions include how to access the application, create a one-time query, create and manage a data feed, manage the address book, and manage data delegation.