Data Files
10/14/2025
AISU Contact Information (AISUADDR.TXT)
Data Files
10/14/2025
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
10/14/2025
Area District Finance File (AREADIST.TXT)
Data Files
10/14/2025
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
10/14/2025
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
10/10/2025
DELIVERY - Atlantic Area - North Carolina District Stella Post Office (28582) Permanently Closed
Announcements
10/10/2025
INFORMATIONAL - 2026 Mailing Promotions Kickoff Webinar
Presentations
10/10/2025
WestPac AIM - USPS Mail Growth Incentive - September 10, 2025
Presentations
10/10/2025
AIM Meeting WestPac Area - September 10, 2025
Announcements
10/09/2025
INFORMATIONAL - USPS APIs System Maintenance October 12, 2025