Data Files
06/08/2026
Area District Finance File (AREADIST.TXT)
Data Files
06/08/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
06/08/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
06/06/2026
INFORMATIONAL: USPS APIs System Deployment [CR# TBD] - Saturday, June 27, 2026
Announcements
06/06/2026
INFORMATIONAL: USPS APIs System Deployment - Sunday, June 21, 2026
Announcements
06/06/2026
INFORMATIONAL: USPS APIs System Deployment - Sunday, June 7, 2026
Announcements
06/05/2026
INFORMATIONAL - Commercial System Releases (June 11 – June 19)
Announcements
06/05/2026
DELIVERY - Clarkson Post Office (14430) - Suspended Temporarily
Announcements
06/05/2026
INFORMATIONAL - Reminder - Central Area AIM In-Person Meeting 2026 Invitation - JUNE 30th 2026
Release Notes
06/05/2026
June 11 2026 USPS Ship R27.0.3.0 Release Notes
Announcements
06/04/2026
INFORMATIONAL - Commercial System Release - June 4, 2026
Announcements
06/04/2026
INFORMATIONAL - Major USPS Pricing Shifts July 2026 - What Mailers Need to Know
Release Notes
06/04/2026
June 4 2026 USPS Ship R27.0.2.0 Release Notes
Announcements
06/03/2026
INFORMATIONAL - USPS Modernization Through Package Equipment Upgrades in June 2026
Announcements
06/03/2026
DELIVERY - Corte Madera Post Office - Temporarily Closed
Publications
06/03/2026
PCC Events (June 2026)
Fact Sheets
06/03/2026
IMpb/IMmb Electronic File Transmission Requirements
Announcements
06/02/2026
INFORMATIONAL - RESOLVED - Enterprise Payment System – Incident #10716992 Issues with Postage Statement Finalization, ACH Withdrawal Details Missing from Data Feeds
Error Codes
06/02/2026
Known Issues List 6.2.2026
Applications/ Forms
06/02/2026
Occupancy Trends License Agreement
Data Files
06/02/2026
ZIP Codes by Area and District codes

The Excel spreadsheet lists ZIP Codes with the associated Area and District Codes.  

Announcements
06/01/2026
INFORMATIONAL - 2nd Reminder - USPS Enhanced Addresses API – Coming July 2026
Announcements
06/01/2026
INFORMATIONAL - Mail Spoken Here - May Issue
Data Files
06/01/2026
May 2026 Nixie Volume

This spreadsheet contains the UAA statistics for May 2026.

Data Files
06/01/2026
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Development Tracker

This document provides a list of active IV-MTR work to be as well as items completed in FY25.

 

*Please note, Postal Pro is the only source for a current IV-MTR Development log as updates will be made on an ongoing basis.