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Announcements
12/23/2025

INFORMATIONAL - USPS APIs System Maintenance January 14, 2026

Release Notes
12/22/2025

PTR2 Release Notes_DD_01_10_26

Announcements
12/22/2025

INFORMATIONAL - Postal Service Files Requests for New Rules on Market Dominant Rates

Announcements
12/22/2025

INFORMATIONAL - MGI Important Dates

Announcements
12/19/2025

INFORMATIONAL - January Price Change 2026 - Commercial System Releases January 4

Contact Lists
12/19/2025

Mail Tracking Vendor List

This document provides contact information for a number of third-party service providers who offer mail owner and mail service provider solutions.

Announcements
12/18/2025

DELIVERY - Winter Weather Update December 18

12/18/2025

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.

Tools
12/18/2025

Financial Audit Reporting Tool v4

Tools
12/18/2025

PCC Event Planning Template 5.0 - 12.15.25

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