Applications/ Forms
11/09/2026
Mailer Identifier (MID) Application

Complete the following application to request a Mailer Identifier (MID) for use in the Intelligent Mail® container barcode, Intelligent Mail® tray barcode, or Intelligent Mail® barcode. The information provided will not be disclosed outside the Postal Service.

Announcements
11/06/2026
DELIVERY - Westpac Area – Arizona – New Mexico District Blue Post Office – Resume Operations
Announcements
11/06/2026
PROCESSING AND DISTRIBUTION - Update - Des Moines, IA Processing and Distribution Center (P&DC) Reopened
Announcements
11/06/2026
DELIVERY - Southern Area -Tennessee District - Copperhill Post Office (37317) Temporarily Suspended
Announcements
11/06/2026
INFORMATIONAL - PostalOne! Alert – November 15, 2026
Announcements
11/06/2026
INFORMATIONAL - Commercial System Releases – Week of November 14, 2026
Release Notes
11/06/2026
November 15 2026 USPS Ship 31.0.0.0 Release Notes
Release Notes
11/06/2026
November 15 2026 PostalOne! 64.1.3.0 Release Notes
Announcements
11/05/2026
DELIVERY - Central Area - Vining IA Post Office (52348) - Temporarily Suspending Operations
Announcements
11/05/2026
DELIVERY - Central Area - Compton IL RMPO 61318 - Closed Indefinitely 11.05.2026