Announcements
11/30/2023
USPS Smart Locker Available through Click-N-Ship
Announcements
11/29/2023
WestPac Area - Alaska District - Little Diomede Closed
Announcements
11/28/2023
Central Area – Ohio 1 District - West Farmington Post Office (44491) - Temporarily Closed
Fact Sheets
11/28/2023
CASS™ and MASS™ Certified Products Guide Cycle: 2023-2028
Announcements
11/27/2023
First-Class Mail and Marketing Mail Growth Incentives - Registration Opens November 29, 2023
Announcements
11/24/2023
Atlantic Area – Pennsylvania-1 District -- Pittsfield PA Post Office (16440) – Temporarily Closed
User Guides
11/22/2023
DSF2® Licensee Performance Requirements - CASS Cycle O

To achieve DSF2® certification, the Licensee must comply with all requirements and specifications contained within the License Agreement, the most current version of this document, and the most current version of the Interface Developers Guide unless explicitly allowed, prohibited, or modified by USPS in writing.

Presentations
11/20/2023
2024 Emerging & Advanced Technology FAQ's
Announcements
11/17/2023
Industry Webinar - Business Customer Gateway (BCG)/Postal Wizard (PW) (11-17-23)
Announcements
11/15/2023
Officer Appointment - Vice President, Processing Operations, Western Region