Release Notes
10/05/2026
Bulk Rates API Release Overview
Announcements
10/05/2026
INFORMATIONAL - Chicago, IL Regional Processing and Distribution Center (RPDC) – Power Restored
Technical Specifications
10/05/2026
Mail.xml Technical Specifications R65.0.0.0
Technical Specifications
10/05/2026
Mail.dat Technical Specifications R65.0.0.0
Release Notes
10/05/2026
EU Customs Change Release Overview
Release Notes
10/05/2026
October 11 2026 EPS 8.7.2.0 Release Notes
Data Files
10/05/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
10/05/2026
City/State ZIP Code Weekly Compare
Data Files
10/05/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
10/05/2026
AIS Congressional District File (CONG_DIST.TXT)