User Guides
11/25/2025
Quick Reference Guide: Bundle Preparation and Handling Recommendations

A guide to ensuring your bundles stay secure during transit.

User Guides
11/10/2025
2026 Integrated Technology Enrollment Guide
User Guides
11/07/2025
Viewing MGI Credit Balances and Postage Statements
User Guides
10/27/2025
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
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.