Data Files
08/17/2026
AISU ZIP Code Record and AISU Address Record Descriptions (AISULOUT.TXT)
Data Files
08/17/2026
AISU ZIP Code File (AISUZIPS.TXT)
Data Files
08/17/2026
AISU Contact Information (AISUADDR.TXT)
Data Files
08/17/2026
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
08/17/2026
Area District Finance File (AREADIST.TXT)
Data Files
08/17/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
08/17/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
08/14/2026
DELIVERY: WestPac Area: CO-WY District - Hasty Post Office (81044) - Temporarily Closed
Announcements
08/14/2026
INFORMATIONAL - Business Customer Gateway Issues
Announcements
08/14/2026
INFORMATIONAL - RESOLVED - USPS Applications - INCIDENT 10942833 Intermittent Unavailability and Errors