Data Files
10/20/2025
AISU Contact Information (AISUADDR.TXT)
Data Files
10/20/2025
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
10/20/2025
Area District Finance File (AREADIST.TXT)
Data Files
10/20/2025
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
10/20/2025
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
10/18/2025
INFORMATIONAL - Unused Label Refund Processing - October 18, 2025
Announcements
10/17/2025
INFORMATIONAL - Industry Alert Mailbox Impacted - October 17, 2025
Announcements
10/17/2025
DELIVERY - WestPac -Alaska District Napakiak Post Office (99634) - Temporarily Closed
Announcements
10/17/2025
DELIVERY -WestPac Area - ID-MT-OR District McLeod Post Office (59052) - Temporarily Closed
Announcements
10/17/2025
DELIVERY - WestPac Area - AZ-NM District Weed Post Office (88354)