Mail Service Provider (MSP) - Full-Service Certified Mailers

A Mail Service Provider (MSP) offers a variety of solutions to prepare and present Full-Service presort mailings. For more information regarding Certified MSPs, please follow this link: https://postalpro.usps.com/full-service-cert/fact-sheet

Ballot Mail & Political Mail STIDs Fact Sheet

Plus One Product Requirements (Technical) (Updated 10/7/25)

Plus One Updated 10/7/25

INFORMATIONAL - Commercial Systems Releases – October 12, 2025

USPS Reporting ZIP Codes (Locations Using Scanning ZIP Codes not in AMS)

Informed Visibility Mail Tracking & Reporting Machine Count

List of US Postal Service machines by site to include the description of each machine.

Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Release Notes

These release notes summarize new features and enhancements implemented in deployments to the IV-MTR application.

Pending Route Adjustment File

This Excel sheet details route adjustments for September 2025 thru November 2025.

Dimensioned Layouts for the Container Barcode Formats

Intelligent Mail Container Barcode Technical Specifications

Technical specifications for printing the USPS Intelligent Mail® Container barcode (IM™ Container barcode). The Intelligent Mail Container barcode is used on mailer-generated pallet labels to uniquely identify pallets and similar containers (i.e. All Purpose Containers, hampers, pallet boxes, etc.) in addition to identifying the mail owner.