Data Files
01/21/2026
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.

Contact Lists
01/21/2026
Publication 205 eVS Electronic Verification System Pre-certified

Software certified for mailers to use eVS for parcel shipping:

*Precertified for file format.

*Precertified for labels. 

Announcements
01/20/2026
INFORMATIONAL: PostalOne! System (PO!) – [INCIDENT # 10342990] Mail.dat, Mail.XML and Shipping Services Files (PO! eVS) Processing Delay
Release Notes
01/20/2026
01_20_25_PTR2 Release Notes
Announcements
01/20/2026
Engage with Us at the Strategic Innovation Pop-Up Mini-Cafe!
Announcements
01/20/2026
INFORMATIONAL - Postal Service Opens Bid Solicitation Platform For Entry to Last-Mile Delivery
Data Files
01/20/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
01/20/2026
City/State ZIP Code Weekly Compare
Data Files
01/20/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
01/20/2026
AIS Congressional District File (CONG_DIST.TXT)