INFORMATIONAL - USPS Reports On-Time Delivery Gains, Higher Customer Satisfaction for Holiday Surge

INFORMATIONAL - Daily Migration Zoom Calls to Support The WebTools Migration

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

Postmaster General David Steiner’s Invitation to the National Postal Forum 2026

INFORMATIONAL - USPS APIs System Maintenance January 28, 2026

INFORMATIONAL - Extended Customer Webinars on Upcoming USPS Tracking Data Access Controls

INFORMATIONAL - July Price Change 2026 -Release Overview

DELIVERY: WestPac Area – Washington District – Stehekin Post Office – Resume Operations.

DELIVERY - Elba Post Office (14058) – Suspended Temporarily

INFORMATIONAL - USPS Returns Package Quality Noncompliance Assessments

DELIVERY: Southern Area - Texas 3 District -Stanton Post Office (79782) - Operations Temporarily Suspended

DELIVERY - Hewitt Post Office (07421) - Temporarily Closed

2026 Promotions Calendar and Technical Guide

Earn a Free Professional Development Certification From the PCCAC

INFORMATIONAL - USPS Mail Flow 101 Webinar Posted To PostalPro

INFORMATIONAL: 2026 Southern Area AIM Meeting - Orlando, Florida - SAVE THE DATE!

INFORMATIONAL: Federal Register: Manifest Mailing System Retiring

USPS Mail Flow 101 Webinar Recording

INFORMATIONAL - Postal Service Updates for January and February 2026 SDC Activations

DELIVERY - International Resumption of Mail Service - Effective January 9, 2026

INFORMATIONAL - USPS Ship - Updated Guidance on Assessment Dispute Period

INFORMATIONAL - Final Web Tools Migration Notification Must Migrate NOW

INFORMATIONAL - USPS APIs System Maintenance Notice January 24, 2026

DELIVERY - Atlantic Area – Pennsylvania 1 District - West Hickory Post Office (16370) - Suspended Temporarily

ACS Tables: PARS 2025

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

Base Tables: PARS 2025

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

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.

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.

USPS Mail Flow 101 Webinar

USPS Ship Webinar USPS Ship Overview, Migration and Enrollment Slides

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

USPS Ship Frequently Asked Questions

USPS Ship Frequently Asked Questions

Guide to USPS Ship

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.

Speakers Bureau List 6.0 - 12.18.25

INFORMATIONAL: Update - January Price Change 2026 - Commercial System Releases

COMPLETED - January Price Change 2026 - Commercial System Releases

January 4 2026 Release Notes

INFORMATIONAL – Officer Announcement – Jason DeChambeau as Acting Vice President of Processing Operations

Undeliverable-as-Addressed (UAA) Statistics by Mailing Industry Quarterly Report (Q1 FY26)

ACS Nixie stats by industry for FY26 Q1.

December 2025 Nixie Volume

This spreadsheet contains the UAA statistics for December 2025.

Labeling Lists Technical Guide

The Labeling Lists data product assists mailers with presorting mail. It provides active, originating 3- and 5-digit ZIP Code™ data along with their destination locations [including city/state/ZIP Code] for labeling purposes. The product contains complete data files of each list found online via Postal Explorer® at https://pe.usps.com. Updates to the Labeling Lists are also published in the Postal Bulletin.

INFORMATIONAL - Tracking API Provisioning Notification

Catalog Insights Promotion FAQ

Destination Entry Service Standard Directory

Combined Service Standard Directory-PRI

Supplemental Service Standard Directory-PRI

Supplemental Service Standard Directory-PKG

Supplemental Service Standard Directory-PFC

Supplemental Service Standard Directory-PER

Supplemental Service Standard Directory-MKT