Data Files
11/09/2026
Area District Finance File (AREADIST.TXT)
Data Files
11/09/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
11/09/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Applications/ Forms
11/09/2026
Additional Accounts Information

Additional Accounts Information sheet for completion with Mailer ID (MID) Application.

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
Announcements
11/05/2026
PROCESSING AND DISTRIBUTION - Possible Delays – Des Moines, IA Processing and Distribution Center (P&DC)
Announcements
11/05/2026
PROCESSING AND DISTRIBUTION - Billings, MT Processing and Distribution Center (P&DC) Machine Upgrade
Error Codes
11/05/2026
Known Issues List 11.3.2026
Announcements
11/04/2026
PROCESSING AND DISTRIBUTION - Update - Central Processing Region - Louisville, KY (PDC) Delays
Announcements
11/04/2026
DELIVERY - Westpac Area – Arizona – New Mexico District Blue Post Office – Temporarily Closed
Announcements
11/04/2026
DELIVERY - International Resumption of Mail Service - Effective November 6, 2026
User Guides
11/04/2026
Online Postage Due Permit Creation
User Guides
11/04/2026
Enterprise Payment System (EPS) User Guide
Fact Sheets
11/04/2026
Online Permit Creation Fact Sheet
FAQs
11/04/2026
Enterprise Payment System (EPS) FAQs

The Enterprise Payment System or EPS allows customers to pay for products and services through an Enterprise Payment Account (EPA) funded as an Automated Clearing House (ACH) Debit or Trust Account. The EPS payment account management provides enhanced security features, centralized balance and account management, and a self-service customer experience.

Announcements
11/03/2026
PCCAC National Sub-Committee Leadership Transitions and Invitation to Join