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
Announcements
12/29/2025
DELIVERY - WestPac Area: California 6 District - Wrightwood Post Office and Lytle Post - Resume Operations
User Guides
12/29/2025
USPS APIs Terms and Conditions

ACKNOWLEDGEMENT AND ACCEPTANCE. Read this carefully before registering to use the USPS API services. By utilizing the APIs, you hereby ACCEPT ALL of the terms and conditions of this Agreement. 

Announcements
12/29/2025
INFORMATIONAL: USPS APIs System Deployment - January 10, 2026