Release Notes
05/08/2026
May 17 2026 PostalOne! R63.2.2.0 Release Notes
Release Notes
05/08/2026
May 17 2026 USPS Ship R27.0.0.0 Release Notes
Data Files
05/04/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
05/04/2026
City/State ZIP Code Weekly Compare
Data Files
05/04/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
05/04/2026
AIS Congressional District File (CONG_DIST.TXT)
Data Files
05/04/2026
AIS County Name Table Layout (AISCNTY.TXT)
Data Files
05/04/2026
AMS County Name Table (COUNTY_NAME_TABLE.TXT)
Contact Lists
05/04/2026
AMS Address Report: AISU Mailing List (ADDRREPT.TXT)
Data Files
05/04/2026
AISU ZIP Code Record and AISU Address Record Descriptions (AISULOUT.TXT)
Data Files
05/04/2026
AISU ZIP Code File (AISUZIPS.TXT)
Data Files
05/04/2026
AISU Contact Information (AISUADDR.TXT)
Data Files
05/04/2026
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
05/04/2026
Area District Finance File (AREADIST.TXT)
Data Files
05/04/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
05/04/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
05/02/2026
INFORMATIONAL - Executive Retirement - Himesh Patel
Announcements
05/01/2026
INFORMATIONAL - Commercial System Releases – May 10, 2026
Announcements
05/01/2026
INFORMATIONAL - Executive Retirement - Robert H. Raines Jr
Data Files
05/01/2026
April 2026 Nixie Volume

This spreadsheet contains the UAA statistics for April 2026.

Data Files
05/01/2026
ZIP Codes by Area and District codes

The Excel spreadsheet lists ZIP Codes with the associated Area and District Codes.  

Announcements
04/30/2026
INFORMATIONAL - Officer Appointments - Chief Solutions & Strategy Officer and Vice President of Network Solutions & Performance Excellence
Announcements
04/30/2026
DELIVERY - Falkland Post Office (27827) - Temporarily Closed
Announcements
04/30/2026
INFORMATIONAL: Mail Spoken Here - April Issue
Publications
04/30/2026
PCC Insider April 2026 Edition