Presentations
09/09/2025
Release Notes
09/08/2025
PFSC Application Release Notes 9-7-2025

These release notes summarize new features and enhancements implemented in deployments to the PFSC application.

Announcements
09/02/2025
Post Office/ZIP Code Entries for Postal Bulletin 9/18/2025

This spreadsheet provides details on the Post Office/ZIP Code entry changes for Postal Bulletin issue 9/18/2025.

Data Files
09/02/2025
August 2025 Nixie Volume

This spreadsheet contains the UAA statistics for August 2025.

Publications
08/31/2025
Release Notes
08/29/2025
Program Requirements
08/26/2025
2026 Integrated Technology Promotion

The 2026 Integrated Technology Guidebook provides you with all the details you need to successfully participate in this promotion. In the Guidebook you will find information on the eligibility, information on the My Products Portal, and more. Navigate the document via the buttons on the side to quickly access the information most relevant to you.

                                                  QUICK LINKS                                                  
Integrated Tech Enrollment Guide
Contact Lists
08/26/2025
User Guides
08/26/2025
Domestic Merchant Returns API: User Guide

This user guide provides examples of XML transactions to the USPS Merchant Returns web service and guidance for installation.

Fact Sheets
08/26/2025
Publications
08/26/2025
Publication 401: Guide to the Manifest Mailing System

The USPS is amending Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM) subsection 703.2.0 to retire the manifest mailing system (MMS). Effective April 1, 2026. Please see here for more information.

Program Requirements
08/25/2025
Program Requirements
08/25/2025
2026 First-Class Mail Advertising Promotion

The 2026 First-Class Mail Advertising Guidebook provides you with all the details you need to successfully participate in the promotion. In the Guidebook you will find information on the eligibility of mailpieces, information on the My Products Portal, and more. Navigate the document via the buttons on the side to quickly access the information most relevant to you.

Program Requirements
08/25/2025
2026 Tactile, Sensory & Interactive Promotion

The 2026 Tactile, Sensory & Interactive Guidebook provides you with all the details you need to successfully participate in this promotion. In the Guidebook you will find information on the eligibility of mailpieces, information on the My Products Portal, and more. Navigate the document via the buttons on the side to quickly access the information most relevant to you.

Program Requirements
08/25/2025
2026 Continuous Contact Promotion

The 2026 Continuous Contact Guidebook provides you with all the information you need to successfully participate in this promotion. In the Guidebook you will find information on the eligibility of mailpieces, information on the My Products Portal, and more. Navigate the document via the buttons on the side to quickly access the information most relevant to you.

Release Notes
08/24/2025
Announcements
08/20/2025
Announcements
08/20/2025
Announcements
08/20/2025