2026 Small Business Symposium at NPF

Join us at the 2026 Small Business Symposium hosted at the National Postal Forum. Learn how small businesses leverage mail and shipping solutions to find success!

INFORMATIONAL -Don’t Miss the 2026 National Postal Forum

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.

Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Operation Codes List

This spreadsheet provides a list of operation codes (opcodes), also known as Scan Event Codes, for the IV-MTR application.

INFORMATIONAL -PostalOne! System - INCIDENT 10567141 Error with Mail Entry Additional Postage Assessment Report

INFORMATIONAL - National Postal Forum 2026 Keynote Speaker – Jeremy Gutsche

USPS Ship Monthly Averages Tech Sheet

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.

INFORMATIONAL - USPS Enhanced Addresses API – Coming July 2026

PTR2 Release Notes_DD_04_18_26

INFORMATIONAL - Informed Delivery Campaign Reporting Update April 2026

Addressing API License Agreement

INFORMATIONAL - 2026 National Postal Forum Leadership Insight Sessions

INFORMATIONAL - Package Tracking API Provisioning Cancelled

Mail.dat Technical Specifications R64.0.0.0

***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)

Provisioning Enterprise Payment (EPS) and USPS Ship (formerly Package Platform (PPC)) Data through Informed Visibility® (IV®)

This guide provides instructions for receiving Enterprise Payment System (EPS) and USPS Ship (formerly Package Platform Concept (PPC)) data through the IV Mail Tracking & Reporting (IV-MTR) application. Instructions include how to get access, create and manage a data feed, manage the address book, and manage data delegation.

City/State ZIP Code Weekly Compare

3 Digit ZIP/AISU Office List (AISUREPT.TXT)

Cumulative Listing of ZIP Codes Covered by the LACS Database

This document provides a cumulative listing of ZIP Codes covered by the LACS database for LACS^Link®.

AIS Congressional District File (CONG_DIST.TXT)

AIS County Name Table Layout (AISCNTY.TXT)

AMS County Name Table (COUNTY_NAME_TABLE.TXT)

AMS Address Report: AISU Mailing List (ADDRREPT.TXT)

AISU ZIP Code Record and AISU Address Record Descriptions (AISULOUT.TXT)