FAQs
01/06/2026
USPS Ship Frequently Asked Questions

USPS Ship Frequently Asked Questions

Tech Guides
01/06/2026
Guide to USPS Ship
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.

Data Files
01/06/2026
Undeliverable-as-Addressed (UAA) Mail Roll-Up 1998-2025

This spreadsheet provides a breakdown of Total UAA mail by mail class from FY1998 thru FY2025.

Contact Lists
01/05/2026
Speakers Bureau List 6.0 - 12.18.25
Announcements
01/05/2026
INFORMATIONAL: Update - January Price Change 2026 - Commercial System Releases
Announcements
01/04/2026
COMPLETED - January Price Change 2026 - Commercial System Releases
Release Notes
01/04/2026
January 4 2026 Release Notes
Announcements
01/02/2026
INFORMATIONAL – Officer Announcement – Jason DeChambeau as Acting Vice President of Processing Operations
Data Files
01/02/2026
Undeliverable-as-Addressed (UAA) Statistics by Mailing Industry Quarterly Report (Q1 FY26)

ACS Nixie stats by industry for FY26 Q1.