Data Files
07/14/2025
AISU ZIP Code File (AISUZIPS.TXT)
Data Files
07/14/2025
AISU Contact Information (AISUADDR.TXT)
Data Files
07/14/2025
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
07/14/2025
Area District Finance File (AREADIST.TXT)
Data Files
07/14/2025
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
07/14/2025
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Data Files
07/11/2025
Updated List: Service Type Codes for Intelligent Mail® Package Barcode (IMpb)

This document provides the updated service type codes for  Intelligent Mail® Package Barcodes.

Data Files
07/10/2025
Z4 Info File

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

Data Files
07/10/2025
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
07/07/2025
Pending Route Adjustment File

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