User Guides
04/16/2025
MyMSSC Portal User Guide - Non-Business Service Administrators

MyMSSC Portal is a NEW way commercial customers can submit Service Requests to the Mailing and Shipping Solutions Center. The MyMSSC Portal provides customers with the perfect complement to our traditional services and is a fast, straightforward, and secure process for commercial customers to manage their service requests. This guide is designed to assist non-Business Service Administrators (BSAs) utilizing the MyMSSC Portal in the Business Customer Gateway (BCG).

User Guides
04/16/2025
MyMSSC Portal User Guide - Business Service Administrators (BSAs)

The MyMSSC Portal is a NEW way commercial customers can submit Service Requests to the Mailing and Shipping Solutions Center. The MyMSSC Portal provides customers with the perfect complement to our traditional services and is a fast, straightforward, and secure process for commercial customers to manage their service requests. This guide is designed to assist Business Service Administrators (BSAs) utilizing the MyMSSC Portal in the Business Customer Gateway (BCG).

Release Notes
04/15/2025
User Guides
04/15/2025
Presentations
04/14/2025
USPS July 2025 Market Dominant Price Change Webinar

Topic: July 2025 Market Dominant Price Change Webinar
Date: Apr 14, 2025, 01:15 PM Eastern Time (US and Canada)

https://usps.zoomgov.com/rec/share/zK4-WogrZO3wAb1U-dqcrmMXjh2HMEif6q2cBLd9_YQ2nOdmqr4hQT6FvIZK9pwp.bVxAQdUhLZJjzqNs

Passcode: R51PfQ*v

Release Notes
04/14/2025
Fact Sheets
04/14/2025
Mail Anywhere Fact Sheet

Mailers have the opportunity to use the same permit at any location via the Mail Anywhere program. 

Announcements
04/13/2025
PTR Modernization

PTR is being modernized to deliver a best-in-class visibility solution for customers. The new solution, PTR 2, will provide a scalable and highly available platform to support continued package volume growth and evolving business functionality to deliver exceptional customer value.

FAQs
04/11/2025
Intelligent Mail Matrix Barcode (IMmb) FAQ Page

The IMmb is a two-dimensional, GS1 DataMatrix barcode used for routing and tracking of packages within the USPS processing network.  Presently the IMmb is used in combination with the Intelligent Mail Package Barcode (IMpb) to improve processing efficiency. 

Applications/ Forms
04/11/2025
Address Matching System API (AMS API) License Agreement Modifications

This Modifications document lists the changes to the current Address Matching System Application Program Interface (AMS API) Product License Agreement.

Applications/ Forms
04/11/2025
Address Matching System API (AMS API) Sample License Agreement

United States Postal Service® sample license agreement for the Address Matching System Application Program Interface (AMS API) Product.

Announcements
04/08/2025
Post Office/ZIP Code Entries for Postal Bulletin 4/17/2025

This spreadsheet provides details on the Post Office/ZIP Code entry changes for Postal Bulletin issue 4/17/2025.

Announcements
04/08/2025
Contact Lists
04/04/2025
Presentations
04/03/2025
The New Launch Procedure Presentation

New Launch Procedure Presentation

Presentations
04/03/2025
Announcements
04/02/2025
Announcements
04/02/2025
Data Files
04/02/2025
Data Files
04/01/2025
March 2025 Nixie Volume

This spreadsheet contains the UAA statistics for March 2025.