Announcements
09/29/2025
INFORMATIONAL - Call for Industry Workshop Proposals – National Postal Forum 2026
Announcements
09/29/2025
Call for Industry Workshop Proposals – National Postal Forum 2026
Data Files
09/29/2025
Labeling List Changes Effective November 1, 2025

Effective November 1, 2025, the Postal Service™ will revise Labeling List(s) L007, L012, L015, L051, L201, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the November 1, 2025, effective date through December 31, 2025, expiration date. The changes will be published in the Postal Bulletin, Issue #22687.

Announcements
09/29/2025
New Area Assignments - FY2026
Release Notes
09/29/2025
Promotions Alert 9/29/2025
Release Notes
09/29/2025
January 2026 Release Overview
Announcements
09/25/2025
INFORMATIONAL - Commercial System Releases – September 30, 2025
Announcements
09/25/2025
INFORMATIONAL - USPS APIs System Maintenance September 30, 2025
User Guides
09/25/2025
Package Tracking Options and Modernization

Explore package tracking options with our Product Tracking and Reporting (PTR) application and learn about the planned changes in our recent platform modernization efforts.

Announcements
09/25/2025
INFORMATIONAL - Updating October SDC Activations and Announcing 14 SDC Activations for November 2025