Applications/ Forms
12/16/2025
Request to Participate - MTAC User Group and Work Group
Applications/ Forms
12/16/2025
Request to Lead - MTAC User Group and Work Group
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.

Fact Sheets
12/16/2025
Addressing Fact Sheet for First-Class Flats

This document is for mailers who are sending flat-size mail (such as large envelopes) at Automation and Presorted First-Class Mail prices. To use these prices, you must mail at least 500 pieces at a time, prepared and sorted according to Postal Service guidelines.

Announcements
12/15/2025
INFORMATIONAL - USPS Ship (PPC) Services – INCIDENT 10260246
Data Files
12/15/2025
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)