Announcements
01/20/2026
INFORMATIONAL: PostalOne! System (PO!) – [INCIDENT # 10342990] Mail.dat, Mail.XML and Shipping Services Files (PO! eVS) Processing Delay
Release Notes
01/20/2026
01_20_25_PTR2 Release Notes
Announcements
01/20/2026
Engage with Us at the Strategic Innovation Pop-Up Mini-Cafe!
Announcements
01/20/2026
INFORMATIONAL - Postal Service Opens Bid Solicitation Platform For Entry to Last-Mile Delivery
Data Files
01/20/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
01/20/2026
City/State ZIP Code Weekly Compare
Data Files
01/20/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
01/20/2026
AIS Congressional District File (CONG_DIST.TXT)
Data Files
01/20/2026
AIS County Name Table Layout (AISCNTY.TXT)
Data Files
01/20/2026
AMS County Name Table (COUNTY_NAME_TABLE.TXT)