Announcements
12/16/2025
PROCESSING AND DISTRIBUTION: Destinating Delays at South Suburban, IL - Processing and Distribution Center (P&DC)
Announcements
12/16/2025
INFORMATIONAL - Reminder - USPS Mail Flow 101 Webinar
Announcements
12/16/2025
INFORMATIONAL - Tracking Access Validation Webinar Schedule - Update Notification
Announcements
12/16/2025
DELIVERY - WestPac Area - Washington District - Stehekin Post Office (98852) - Temporarily Closed
Fact Sheets
12/16/2025
Addressing Fact Sheet for USPS Marketing Mail Flats

This document is for business mailers who are sending flat-size USPS Marketing Mail (such as large envelopes, catalogs, and circulars). To use the USPS Marketing Mail prices, you must send at least 200 pieces or 50 pounds of mail at a time, prepared and sorted according to Postal Service guidelines.

Announcements
12/15/2025
INFORMATIONAL - USPS Ship (PPC) Services – INCIDENT 10260246
Contact Lists
12/15/2025
Business Acceptance Solutions & Major Mailer Support Directory

This document provides a contact list for Business Acceptance Solutions (formerly Business Mailer Support) & Major Mailer Support

 

Announcements
12/13/2025
DELIVERY - WestPac Area - Washington District - Sumas Post Office (98295) - Office Temporarily Closed
Release Notes
12/12/2025
ID API Release Notes Release V1.0
Technical Specifications
12/12/2025
Informed Delivery API Technical Specifications V1.0_5.0