Release Notes
01/18/2026
January 18 2026 Release Notes
Announcements
01/14/2026
INFORMATIONAL - USPS APIs System Maintenance January 28, 2026
Announcements
01/13/2026
INFORMATIONAL - Extended Customer Webinars on Upcoming USPS Tracking Data Access Controls
Announcements
01/13/2026
INFORMATIONAL - July Price Change 2026 -Release Overview
Announcements
01/12/2026
DELIVERY: WestPac Area – Washington District – Stehekin Post Office – Resume Operations.
Announcements
01/12/2026
DELIVERY - Elba Post Office (14058) – Suspended Temporarily
User Guides
01/12/2026
Tracking Access Control Tech Sheet

Package Tracking allows seamless integration of real-time tracking information into business systems, enabling monitoring of USPS package status from shipment to delivery.  USPS is upgrading tracking data access to enhance security and combat fraud by modernizing and securing customer access.

Announcements
01/12/2026
INFORMATIONAL - USPS Returns Package Quality Noncompliance Assessments
Data Files
01/12/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
01/12/2026
City/State ZIP Code Weekly Compare