Announcements
02/25/2026
DELIVERY - WestPac Area - CO-WY District - Mesa Verde National Park Post Office - Resume Operations
Data Files
02/25/2026
Labeling List Changes Effective April 1, 2026

Effective April 1, 2026, the Postal Service™ will revise Labeling List(s) L002, L005, L007, L012, L016, L051, L201, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the April 1, 2026, effective date through May 31, 2026, expiration date. The changes will be published in the Postal Bulletin, Issue #22698.

Contact Lists
02/25/2026
USPS® Approved Manufacturers of Mailing Containers for Adult Birds

A list of contact information for adult bird container manufacturers that have been certified by USPS.

Announcements
02/24/2026
Informational - USPS Webinar on AI, Direct Mail and Mailing Promotions
Data Files
02/24/2026
Pending Route Adjustment File

This Excel sheet details route adjustments for February 2026 thru April 2026.

Announcements
02/23/2026
INFORMATIONAL: USPS Modernization through Package Equipment Upgrades in February and March 2026
Announcements
02/23/2026
PROCESSING AND DISTRIBUTION: USPS Closures Due to Weather Impacts Across the Northeastern United States
FAQs
02/23/2026
Periodicals Application Process FAQ
FAQs
02/23/2026
Periodicals Application Process FAQ
Announcements
02/23/2026
INFORMATIONAL - Mail Growth Incentive - Upcoming Important Dates
Announcements
02/22/2026
Delivery - Mesa Verde National Park Post Office - Temporary Closed
Release Notes
02/22/2026
February 22 2026 Release Notes
Announcements
02/20/2026
DELIVERY - Military Post Offices Temporarily Suspended
Release Notes
02/19/2026
PTR2 Release Notes_DD_02_21_26
Announcements
02/19/2026
INFORMATIONAL - FAST Helpdesk Hours Change
Announcements
02/19/2026
INFORMATIONAL - 2026 Southern Area AIM Meeting - Orlando, Florida
Announcements
02/18/2026
INFORMATIONAL - Pub 401 and Manifest Mailing System (MMS) Retirement
Presentations
02/17/2026
PCC National Monthly Touchpoint (February)
Announcements
02/17/2026
INFORMATIONAL: Commercial System Releases - February 22, 2026
Announcements
02/17/2026
INFORMATIONAL: USPS APIs System Maintenance - February 25, 2026
Announcements
02/14/2026
INFORMATIONAL: Daily USPS API On-Board Webinars
Presentations
02/14/2026
Secure Destruction - A Primer for Mailers

This document provides information on the Secure Destruction, a Primer for Mailers webinar.

Contact Lists
02/14/2026
Secure Destruction Plant ZIP Look Up Table

This document provides a ZIP Code lookup table for Secure Destruction plants.

Announcements
02/13/2026
PROCESSING AND DISTRIBUTION - Postal Service Updates for March 2026 S&DC Activations
Announcements
02/13/2026
INFORMATIONAL - Commercial System Releases – February 26, 2026