Data Files
07/07/2025
AISU Contact Information (AISUADDR.TXT)
Data Files
07/07/2025
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
07/07/2025
Area District Finance File (AREADIST.TXT)
Data Files
07/07/2025
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
07/07/2025
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Data Files
07/07/2025
Pending Route Adjustment File

This Excel sheet details route adjustments for May 2025 thru August 2025.

Data Files
07/03/2025
Z4 Info File

A downloadable ZIP file containing information related to the Z4 Info File

Data Files
07/03/2025
Early Warning System (EWS002C0.ZIP)

This file is the EWS production file and is updated weekly. This file contains the Early Warning System data file for the CASS™ and MASS™ certification process.

 

Data Files
07/02/2025
Undeliverable-as-Addressed (UAA) Statistics by Mailing Industry Quarterly Report (Q3 FY25)

ACS Nixie stats by industry for FY25 Q3.

Data Files
07/01/2025
June 2025 Nixie Volume

This spreadsheet contains the UAA statistics for June 2025.