04/02/2026
Undeliverable-as-Addressed (UAA) Statistics by Mailing Industry Quarterly Report (Q2 FY26)
ACS Nixie stats by industry for FY26 Q2.
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04/01/2026
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03/27/2026
Labeling List Changes Effective May 1, 2026
Effective May 1, 2026, the Postal Service™ will revise Labeling List(s) L007, L012, L014, 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 May 1, 2026, effective date through June 30, 2026, expiration date. The changes will be published in the Postal Bulletin, Issue #22700.
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03/02/2026
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01/06/2026
ACS Tables: PARS 2025
This spreadsheet contains 12 tables outlining ACS volume and cost for UAA Mail from FY2025.
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01/06/2026
Base Tables: PARS 2025
This spreadsheet contains 44 base tables focusing on postal operations, cost, and volume of handling UAA mail from FY2025.
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01/06/2026
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.
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01/06/2026
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.
02/25/2026
Labeling List Changes Effective April 1, 2026
Effective April 1, 2026, the Postal Service™ will revise Labeling List(s) L002, L005, L007, 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 April 1, 2026, effective date through May 31, 2026, expiration date. The changes will be published in the Postal Bulletin, Issue #22698.
02/02/2026
January 2026 Nixie Volume
This spreadsheet contains the UAA statistics for January 2026.