• 04/02/2026

  Undeliverable-as-Addressed (UAA) Statistics by Mailing Industry Quarterly Report (Q2 FY26)

  ACS Nixie stats by industry for FY26 Q2.

• 04/01/2026

  March 2026 Nixie Volume

  This spreadsheet contains the UAA statistics for March 2026.

• 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.

• 03/02/2026

  February 2026 Nixie Volume

  This spreadsheet contains the UAA statistics for February 2026.

• 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.

• 01/06/2026

  ACS Tables: PARS 2025

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

• 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.