Contact Lists
09/01/2026
MPE (Mail Processing Equipment) Service Provider Licensees

Marketing contact information for certified Mail Processing Equipment (MPE) licensees 

Publications
08/31/2026
PCC Insider August 2026 Edition
Announcements
08/31/2026
INFORMATIONAL: Mail Spoken Here - August 2026
Contact Lists
08/31/2026
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

 

Announcements
08/29/2026
INFORMATIONAL - Drop Shipment Appointments at San Antonio Annex 780MP
Release Notes
08/28/2026
October 2026 - Timelimited Price Change Release Overview
Presentations
08/27/2026
PCCAC Certification Webinar: Postal Shipping Products Deep Dive with Catherine Knox
Announcements
08/27/2026
DELIVERY - Big Sur Post Office (03920) - Temporarily Closed
Release Notes
08/27/2026
PTR2 Release Notes_DD_08_27_26
Announcements
08/26/2026
DELIVERY: WestPac Area – NV-UT District - Sierra Post Office (89506) – Resume Operations
Release Notes
08/26/2026
August 27, 2026 COP Release Notes
Announcements
08/25/2026
News You Need to Know from MTAC
Announcements
08/25/2026
DELIVERY: WestPac Area – CO-WY District - Hasty Post Office (81044) – Resume Operations
Announcements
08/25/2026
INFORMATIONAL: USPS Scan Event Extract Modernization Updates
Presentations
08/25/2026
PCCAC: News You Need to Know from MTAC - July 2026
Announcements
08/25/2026
PROCESSING AND DISTRIBUTION - Update - Southeast Region – Tennessee – Severe Weather Impacts
Announcements
08/25/2026
INFORMATIONAL - Commercial System Releases – August 27, 2026 – September 4, 2026
User Guides
08/25/2026
Intelligent Mail Small Business (IMsb) Tool User Guide
Contact Lists
08/25/2026
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
08/24/2026
DELIVERY - Sierra Post Office (89506) - Temporarily Closed
Announcements
08/24/2026
INFORMATIONAL - Elevate Your Marketing Strategy with USPS 2027 Mailing Promotions Kickoff Webinar
Announcements
08/24/2026
INFORMATIONAL - National Change of Address (NCOA+) APIs through October 19, 2026
Presentations
08/24/2026
FY 2026 PS Form 3548 Review and Verification of Circulation
Announcements
08/23/2026
PROCESSING AND DISTRIBUTION - Southeast Region – Tennessee - Severe Weather Impacts
Announcements
08/21/2026
INFORMATIONAL - Upcoming USPS.com Maintenance on September 19, 2026