Data Files
06/30/2025
AISU Contact Information (AISUADDR.TXT)
Data Files
06/30/2025
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
06/30/2025
Area District Finance File (AREADIST.TXT)
Data Files
06/30/2025
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
06/30/2025
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
06/29/2025
INFORMATIONAL: Scheduled Commercial Systems Activities - Price Change Release - Successfully Completed
Release Notes
06/29/2025
July 2025 Release Notes
Announcements
06/28/2025
INFORMATIONAL: USPS APIs System Maintenance - June 30, 2025
Announcements
06/28/2025
DELIVERY: Atlantic Area - Maryland District - Oxford Post Office (21654) - Temporarily Closed
Announcements
06/27/2025
DELIVERY - Central Area – Ohio 1 District - Rogers Post Office - 44455