Announcements
08/25/2026
PROCESSING AND DISTRIBUTION - Update - Southeast Region – Tennessee – Severe Weather Impacts
Announcements
08/25/2026
INFORMATIONAL - Commercial System Releases – August 27, 2026 – September 4, 2026
Contact Lists
08/25/2026
USPS® Approved Manufacturers of Mailing Containers for Adult Birds

A list of contact information for adult bird container manufacturers that have been certified by USPS.

Announcements
08/24/2026
DELIVERY - Sierra Post Office (89506) - Temporarily Closed
Announcements
08/24/2026
INFORMATIONAL - Elevate Your Marketing Strategy with USPS 2027 Mailing Promotions Kickoff Webinar
Announcements
08/24/2026
INFORMATIONAL - National Change of Address (NCOA+) APIs through October 19, 2026
Presentations
08/24/2026
FY 2026 PS Form 3548 Review and Verification of Circulation
Data Files
08/24/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
08/24/2026
City/State ZIP Code Weekly Compare
Data Files
08/24/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)