Announcements
11/04/2026
DELIVERY - Westpac Area – Arizona – New Mexico District Blue Post Office – Temporarily Closed
Announcements
11/04/2026
DELIVERY - International Resumption of Mail Service - Effective November 6, 2026
Release Notes
11/04/2026
November 15 2026 USPS Ship 31.0.0.0 Release Notes

Coming soon

Release Notes
11/04/2026
November 15 2026 PostalOne! 64.1.3.0 Release Notes

Coming soon

User Guides
11/04/2026
Online Postage Due Permit Creation
User Guides
11/04/2026
Enterprise Payment System (EPS) User Guide
Fact Sheets
11/04/2026
Online Permit Creation Fact Sheet
FAQs
11/04/2026
Enterprise Payment System (EPS) FAQs

The Enterprise Payment System or EPS allows customers to pay for products and services through an Enterprise Payment Account (EPA) funded as an Automated Clearing House (ACH) Debit or Trust Account. The EPS payment account management provides enhanced security features, centralized balance and account management, and a self-service customer experience.

Announcements
11/03/2026
PCCAC National Sub-Committee Leadership Transitions and Invitation to Join
Release Notes
11/03/2026
PTR2 Release Notes_DD_11_05_26
Announcements
11/03/2026
PROCESSING AND DISTRIBUTION - Update - Indianapolis, IN Regional Processing and Distribution Center (RPDC) Delays
Release Notes
11/03/2026
USPS APIs Release Notes

For the latest updates, please review the USPS APIs Release Notes.

Contact Lists
11/03/2026
MTAC UG-WG-TT Leadership Roster and Matrix
Data Files
11/02/2026
October 2026 Nixie Volume

This spreadsheet contains the UAA statistics for October 2026.

Announcements
11/02/2026
INFORMATIONAL - Commercial System Releases – November 5, 2026
Announcements
11/02/2026
INFORMATIONAL - USPS APIs System Release Notification November 12
Publications
11/02/2026
Destination Entry Service Standard Directory
Publications
11/02/2026
Combined Service Standard Directory-PRI
Publications
11/02/2026
Supplemental Service Standard Directory-PRI
Publications
11/02/2026
Supplemental Service Standard Directory-PKG
Publications
11/02/2026
Supplemental Service Standard Directory-PFC
Publications
11/02/2026
Supplemental Service Standard Directory-PER
Publications
11/02/2026
Supplemental Service Standard Directory-MKT
Publications
11/02/2026
Supplemental Service Standard Directory-GAL
Publications
11/02/2026
Supplemental Service Standard Directory-GAH