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.

January 2026 Nixie Volume

This spreadsheet contains the UAA statistics for January 2026.

Updated List: Service Type Codes for Intelligent Mail® Package Barcode (IMpb)

This document provides the updated service type codes for  Intelligent Mail® Package Barcodes.

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.

ACS Tables: PARS 2025

This spreadsheet contains 12 tables outlining ACS volume and cost for UAA Mail from FY2025.

Base Tables: PARS 2025

This spreadsheet contains 44 base tables focusing on postal operations, cost, and volume of handling UAA mail from FY2025.

Class Tables: PARS 2025

This spreadsheet contains 64 class tables that provide cost and volume by class of mail, presort category, and shape from FY2025.

Volume Tables: PARS 2025

This spreadsheet contains 3 volume tables that provide summary data by class of mail, shape, presort category, and disposition of UAA Mail.

Undeliverable-as-Addressed (UAA) Statistics by Mailing Industry Quarterly Report (Q1 FY26)

ACS Nixie stats by industry for FY26 Q1.

December 2025 Nixie Volume

This spreadsheet contains the UAA statistics for December 2025.

Labeling List Changes Effective February 1, 2026

Effective February 1, 2026, the Postal Service™ will revise Labeling List(s) L002, L005, L012, L016, L051, L201, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the February 1, 2026, effective date through March 31, 2026, expiration date. The changes will be published in the Postal Bulletin, Issue #22694.

PTR2 Event Scripting Changes (Excel Document)

PTR2 Event Scripting Changes

NCOALink® Statistics

This spreadsheet includes NCOALink statistics from 2007-2025 by licensee type.

November 2025 Nixie Volume

This spreadsheet contains the UAA statistics for November 2025.

PTR Domestic Scan Events and Descriptions

October 2025 Nixie Volume

This spreadsheet contains the UAA statistics for October 2025.

ACS Tables: PARS 2024

This spreadsheet contains 12 tables outlining ACS volume and cost for UAA Mail from FY2024.

Base Tables: PARS 2024

This spreadsheet contains 44 base tables focusing on postal operations, cost, and volume of handling UAA mail from FY2024.

Class Tables: PARS 2024

This spreadsheet contains 64 class tables that provide cost and volume by class of mail, presort category, and shape from FY2024.

Volume Tables: PARS 2024

This spreadsheet contains 3 volume tables that provide summary data by class of mail, shape, presort category, and disposition of UAA Mail.

ACS Tables: PARS 2023

This spreadsheet contains 12 tables outlining ACS volume and cost for UAA Mail from FY2023.

Base Tables: PARS 2023

This spreadsheet contains 44 base tables focusing on postal operations, cost, and volume of handling UAA mail from FY2023.

Class Tables: PARS 2023

This spreadsheet contains 64 class tables that provide cost and volume by class of mail, presort category, and shape from FY2023.

Volume Tables: PARS 2023

This spreadsheet contains 3 volume tables that provide summary data by class of mail, shape, presort category, and disposition of UAA Mail.