Publications
01/01/2026
Combined Service Standard Directory-PFC
Publications
01/01/2026
Combined Service Standard Directory-PER
Publications
01/01/2026
Combined Service Standard Directory-MKT
Publications
01/01/2026
Combined Service Standard Directory-GAH
Publications
01/01/2026
Combined Service Standard Directory-FCM
Publications
01/01/2026
3D Base Service Standard Directory
Announcements
12/31/2025
INFORMATIONAL - Mail Spoken Here - December Edition
Announcements
12/31/2025
Announcing the Winners of the #ThankfulPCC PCC Voice Challenge!
Publications
12/31/2025
PCC Insider December 2025 Edition
Release Notes
12/31/2025
USPS APIs Release Notes

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