Presentations
01/16/2026
Data Files
01/16/2026
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Operation Codes List

This spreadsheet provides a list of operation codes (opcodes), also known as Scan Event Codes, for the IV-MTR application.

Contact Lists
01/16/2026
Presort Accuracy, Validation, and Evaluation (PAVE™) Certified Products List

This document provides a listing of all PAVE™ certified products.

Contact Lists
01/15/2026
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

 

User Guides
01/12/2026
Tracking Access Control Tech Sheet

Package Tracking allows seamless integration of real-time tracking information into business systems, enabling monitoring of USPS package status from shipment to delivery.  USPS is upgrading tracking data access to enhance security and combat fraud by modernizing and securing customer access.

Presentations
01/08/2026
Data Files
01/06/2026
ACS Tables: PARS 2025

This spreadsheet contains 12 tables outlining ACS volume and cost for UAA Mail from FY2025.

Data Files
01/06/2026
Base Tables: PARS 2025

This spreadsheet contains 44 base tables focusing on postal operations, cost, and volume of handling UAA mail from FY2025.

Data Files
01/06/2026
Class Tables: PARS 2025

This spreadsheet contains 64 class tables that provide cost and volume by class of mail, presort category, and shape from FY2025.

Data Files
01/06/2026
Volume Tables: PARS 2025

This spreadsheet contains 3 volume tables that provide summary data by class of mail, shape, presort category, and disposition of UAA Mail.

Presentations
01/06/2026
Presentations
01/06/2026
USPS Ship Webinar USPS Ship Overview, Migration and Enrollment Slides

USPS Ship Webinar: USPS Ship Overview, Migration, and Enrollment Slides

FAQs
01/06/2026
USPS Ship Frequently Asked Questions

USPS Ship Frequently Asked Questions

Tech Guides
01/06/2026
Tech Guides
01/06/2026
USPS Ship Tech Sheet

USPS Ship is a modernized platform enabling commercial package payment, verification, and end-to-end visibility for a wide array of domestic and international products.

Contact Lists
01/05/2026
Release Notes
01/04/2026
Data Files
01/02/2026
Data Files
01/02/2026
December 2025 Nixie Volume

This spreadsheet contains the UAA statistics for December 2025.