Announcements
10/05/2026
INFORMATIONAL - Postal Service Updates for October 2026 S&DC Activations
FAQs
10/05/2026
USPS FAQ - Modernization of NCOA Processing with APIs
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
Informed Visibility Mail Tracking & Reporting Machine Count

List of US Postal Service machines by site, including a description of each machine.

Data Files
10/05/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)