Data Files
08/31/2026
AISU Contact Information (AISUADDR.TXT)
Data Files
08/31/2026
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
08/31/2026
Area District Finance File (AREADIST.TXT)
Data Files
08/31/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
08/31/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
08/29/2026
INFORMATIONAL - Drop Shipment Appointments at San Antonio Annex 780MP
Release Notes
08/28/2026
October 2026 - Timelimited Price Change Release
Presentations
08/27/2026
PCCAC Certification Webinar: Postal Shipping Products Deep Dive with Catherine Knox
Announcements
08/27/2026
DELIVERY - Big Sur Post Office (03920) - Temporarily Closed
Release Notes
08/27/2026
PTR2 Release Notes_DD_08_27_26