Data Files
08/10/2026
AIS County Name Table Layout (AISCNTY.TXT)
Data Files
08/10/2026
AMS County Name Table (COUNTY_NAME_TABLE.TXT)
Data Files
08/10/2026
AMS Address Report: AISU Mailing List (ADDRREPT.TXT)
Data Files
08/10/2026
AISU ZIP Code Record and AISU Address Record Descriptions (AISULOUT.TXT)
Data Files
08/10/2026
AISU ZIP Code File (AISUZIPS.TXT)
Data Files
08/10/2026
AISU Contact Information (AISUADDR.TXT)
Data Files
08/10/2026
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
08/10/2026
Area District Finance File (AREADIST.TXT)
Data Files
08/10/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
08/10/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
08/07/2026
INFORMATIONAL - USPS APIs System Deployment [CR# TBD] - August 22, 2026
Announcements
08/07/2026
INFORMATIONAL - Commercial System Releases – August 9, 2026
Announcements
08/07/2026
DELIVERY - COS COB Post Office (06807) - Temporarily Closed
Announcements
08/07/2026
INFORMATIONAL - USPS.com Maintenance on August 22, 2026 CANCELLED
Announcements
08/06/2026
DELIVERY - Inchelium, WA 99138-Resume Operations (08-06-2026)
Announcements
08/06/2026
DELIVERY - Rosewood, WA 99208-Resume Operations (08-06-2026)
Announcements
08/06/2026
DELIVERY - Juntura OR 97911-Resume Operations (08.06.2026)
Announcements
08/06/2026
DELIVERY - Wetmore CO 81253-Resume Operations (08-06-2026)
Announcements
08/06/2026
PCC Events (August 2026)
Announcements
08/06/2026
Part Two: Leveraging Informed Delivery for Your PCC Events
Announcements
08/06/2026
INFORMATIONAL - Commercial System Release – August 11, 2026 (LBRO 20.0.1)
Release Notes
08/05/2026
PTR2 Release Notes_DD_08_08_26
Release Notes
08/05/2026
PTR2 Release Notes_DD_09_08_26
Announcements
08/05/2026
INFORMATIONAL - International Service Resumption - Effective August 7, 2026
Announcements
08/04/2026
INFORMATIONAL: USPS APIs System Release Notification