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)

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.

July 2025 Nixie Volume

This spreadsheet contains the UAA statistics for July 2025.

Labeling List Changes Effective September 1, 2025

Effective September 1, 2025, the Postal Service™ will revise Labeling List(s) L007, L012, L051, 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 September 1, 2025, effective date through October 31, 2025, expiration date. The changes will be published in the Postal Bulletin, Issue #22682.