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.

12_22_25_PTR2 Release Notes

PTR2 Event Scripting Changes (Excel Document)

November 2025 Nixie Volume

This spreadsheet contains the UAA statistics for November 2025.

PTR2 Event Scripting Changes

October 2025 Nixie Volume

This spreadsheet contains the UAA statistics for October 2025.

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

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

ACS Nixie stats by industry for FY25 Q4.