Data Files
10/22/2026
Early Warning System (EWS002C0.ZIP)

This file is the EWS production file and is updated weekly. This file contains the Early Warning System data file for the CASS™ and MASS™ certification process.

 

Announcements
10/21/2026
DELIVERY - UPDATE - Akron Post Office (35441) Suspended Temporarily
Announcements
10/21/2026
INFORMATIONAL - European Union Requirements for Product Identifiers Effective November 1, 2026
Technical Specifications
10/21/2026
Mail.xml Technical Specifications for FAST 16.0
Technical Specifications
10/21/2026
Mail.xml Technical Specifications for FAST 14.0A
Announcements
10/21/2026
DELIVERY - Suspension of Mail Service to Argentina - Effective October 23, 2026 - November 11, 2026
Contact Lists
10/21/2026
Mailers Technical Advisory Committee (MTAC) Membership Roster and Vacancies
Release Notes
10/20/2026
PTR2 Release Notes_DD_10_24_26
Presentations
10/20/2026
PCC National Monthly Touchpoint (October)
Announcements
10/19/2026
DELIVERY - Akron Post Office (35441) Permanently Suspended
Announcements
10/19/2026
INFORMATIONAL - Executive Detail - Vice President, Strategic Sales - Sara Bambrough
Announcements
10/19/2026
INFORMATIONAL - FY2027 Peak Season Network Update Webinars
Announcements
10/19/2026
Delivery - Southern Area Alabama-Mississippi District Walnut Grove PO 35990 Temporarily Suspended
Announcements
10/19/2026
Delivery - Southern Area – Florida 1 – Valparaiso 32580 Temporary Service Suspension
Release Notes
10/19/2026
October 25 2026 EPS 8.8.0.0 Release Notes
Release Notes
10/19/2026
October 18 2026 PO! 64.1.2.0 Release Notes
Data Files
10/19/2026
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 the current fiscal year.

 

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

Data Files
10/19/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
10/19/2026
PTR Domestic Scan Events and Descriptions
Data Files
10/19/2026
City/State ZIP Code Weekly Compare
Release Notes
10/19/2026
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Release Notes

These release notes summarize new features and enhancements implemented in deployments to the IV-MTR application.

Data Files
10/19/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
10/19/2026
AIS Congressional District File (CONG_DIST.TXT)
Data Files
10/19/2026
AIS County Name Table Layout (AISCNTY.TXT)
Data Files
10/19/2026
AMS County Name Table (COUNTY_NAME_TABLE.TXT)