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.

USPS Reporting ZIP Codes (Locations Using Scanning ZIP Codes not in AMS)

Informed Visibility Mail Tracking & Reporting Machine Count

List of US Postal Service machines by site to include the description of each machine.

Undeliverable-as-Addressed (UAA) Statistics by Mailing Industry Quarterly Report (Q4 FY25)

ACS Nixie stats by industry for FY25 Q4.

September 2025 Nixie Volume

This spreadsheet contains the UAA statistics for September 2025.

Labeling List Changes Effective November 1, 2025

Effective November 1, 2025, the Postal Service™ will revise Labeling List(s) L007, L012, L015, 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 November 1, 2025, effective date through December 31, 2025, expiration date. The changes will be published in the Postal Bulletin, Issue #22687.

2026 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2026.

Mail Quality Data through IV®-MTR Data Dictionary

August 2025 Nixie Volume

This spreadsheet contains the UAA statistics for August 2025.

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.