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).

User Guides
04/15/2025
User Guides
04/01/2025
Service Standards File Layouts/Release Notes

The Postal Service is making service standard changes to support Delivering for America network changes. We continue to provide service standard data files for customer use to determine the number of days in transit. This tech sheet will provide file layouts to help customers understand ongoing and upcoming changes associated with the proposed changes. Along with file layout changes, we are now incorporating Presort First-Class Service Standards.

User Guides
03/21/2025