Release Notes
06/12/2026
PTR2 Release Notes_DD_06_13_26
Announcements
06/12/2026
DELIVERY - Commercial System Releases (June 20 – June 26)
Announcements
06/12/2026
DELIVERY - NC District Waco Post Office (28169) Temporarily Closed
Announcements
06/12/2026
DELIVERY - South Colton Post Office (13687) - Suspended Temporarily
Announcements
06/12/2026
INFORMATIONAL - USPS Occupancy Trends Product
Announcements
06/12/2026
INFORMATIONAL - USPS Population Mobility Trends Product
Release Notes
06/12/2026
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Release Notes

These release notes summarize new features and enhancements implemented in deployments to the IV-MTR application.

Announcements
06/11/2026
INFORMATIONAL - Upcoming USPS.com Maintenance on July 11, 2026
Release Notes
06/11/2026
USPS APIs Release Notes

For the latest updates, please review the USPS APIs Release Notes.

Contact Lists
06/11/2026
CASS™ Certified Products Guide: Residential Delivery Indicator Cycle O - (Expires July 31, 2028)