Data Files
09/28/2026
USPS Ship Data Dictionary

Detailed information on the USPS Ship (Formerly Package Platform) data elements available through the Informed Visibility Mail Tracking & Reporting (IV-MTR) application. Please note that items in bold text were updated or added recently.

Announcements
09/25/2026
DELIVERY - Diplomatic Post Office (09880) resumes mailing services
Announcements
09/25/2026
INFORMATIONAL - RESOLVED - PostalOne! System – Post-Deployment Issues
Announcements
09/25/2026
INFORMATIONAL - Adjustments to Priority Mail and USPS Ground Advantage Service Expectations for Noncontiguous States and Territories
Announcements
09/25/2026
INFORMATIONAL - Commercial System Releases – October 4, 2026
Announcements
09/25/2026
INFORMATIONAL - Hawaii - Hurricane Nolo - Operations Weather Advisory
Announcements
09/25/2026
INFORMATIONAL - PostalOne! Alert - October 4, 2026
Announcements
09/25/2026
INFORMATIONAL - Eastern Region - Nor’easter - Operations Weather Advisory
Announcements
09/25/2026
DELIVERY - Sycamore Post Office (15364) - Suspended Temporarily
Release Notes
09/25/2026
September 24, 2026 COP Release 2.5.6
Announcements
09/24/2026
National PCC Week 2026 PCC Voice Challenge #PCCWeek2026
Announcements
09/23/2026
DELIVERY - International Suspension of Mail Service - Effective September 25, 2026
Announcements
09/22/2026
Update - Central Processing Region - Louisville, KY Processing and Processing and Distribution Center (P&DC)
Announcements
09/22/2026
DELIVERY - Atlantic Area – Maryland District - Hughesville Post Office (20637) - Temporarily Closed
Announcements
09/22/2026
INFORMATIONAL - Commercial System Releases September 24 & 29, 2026
Contact Lists
09/22/2026
Mailers Technical Advisory Committee (MTAC) Membership Roster and Vacancies
Announcements
09/21/2026
INFORMATIONAL - USPS APIs System Release Notification – September 24, 2026
Data Files
09/21/2026
2027 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2027.

Announcements
09/21/2026
DELIVERY - PostalOne! System - Issue with Finalizing Parcel Mailings and Application of IMpb Noncompliance
Announcements
09/21/2026
DELIVERY - Postal Service Updates for September 2026 S&DC Activations
Announcements
09/21/2026
What is the Postal Customer Council Advisory Committee (PCCAC)?
Announcements
09/21/2026
PROCESSING AND DISTRIBUTION - – Indianapolis, IN Regional Processing and Distribution Center (RPDC) Delays
Announcements
09/21/2026
PROCESSING AND DISTRIBUTION - Amarillo, TX Regional Processing & Distribution Center Activate on September 28, 2026
Contact Lists
09/21/2026
MTAC UG-WG-TT Leadership Roster and Matrix
Release Notes
09/20/2026
September 20 2026 Time Limited Price Change (TLPC) 2026 [October] Release Notes