Data Files
01/05/2026
AISU Contact Information (AISUADDR.TXT)
Data Files
01/05/2026
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
01/05/2026
Area District Finance File (AREADIST.TXT)
Data Files
01/05/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
01/05/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
01/04/2026
COMPLETED - January Price Change 2026 - Commercial System Releases
Release Notes
01/04/2026
January 4 2026 Release Notes
Announcements
01/02/2026
INFORMATIONAL – Officer Announcement – Jason DeChambeau as Acting Vice President of Processing Operations
Data Files
01/02/2026
Undeliverable-as-Addressed (UAA) Statistics by Mailing Industry Quarterly Report (Q1 FY26)

ACS Nixie stats by industry for FY26 Q1.

Data Files
01/02/2026
December 2025 Nixie Volume

This spreadsheet contains the UAA statistics for December 2025.