Contact Lists
08/03/2026
AMS Address Report: AISU Mailing List (ADDRREPT.TXT)
Data Files
08/03/2026
AISU ZIP Code Record and AISU Address Record Descriptions (AISULOUT.TXT)
Data Files
08/03/2026
AISU ZIP Code File (AISUZIPS.TXT)
Data Files
08/03/2026
AISU Contact Information (AISUADDR.TXT)
Data Files
08/03/2026
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
08/03/2026
Area District Finance File (AREADIST.TXT)
Data Files
08/03/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
08/03/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
08/01/2026
INFORMATIONAL - USPS APIs System Deployment - August 16, 2026
Announcements
08/01/2026
INFORMATIONAL - USPS APIs System Deployment [CR# TBD] - August 8, 2026