INFORMATIONAL - USPS API System Maintenance Release Notice

INFORMATIONAL - Royal Palm, FL Processing and Distribution Center (P&DC) New Package Sorting Equipment Installation

2026 Mailing Promotions One-Pager

INFORMATIONAL - Officer Announcement – Fiona Machado - Acting Vice President, Pricing & Costing

INFORMATIONAL - Officer Announcement – Fiona Machado - Acting Vice President, Pricing & Costing

Viewing MGI Credit Balances and Postage Statements

My Products Portal customers can view incentive credit balances and postage statements
associated with their account through the portal.

PTR2 Domestic Scan Events and Descriptions

INFORMATIONAL - Package Barcode & SSF Requirements for Business Mail Entry Unit (BMEU) Parcel Mailings

Labeling List Changes Effective June 1, 2026

Effective June 1, 2026, the Postal Service™ will revise Labeling List(s) L007, L012, L014, L015, L016, L201, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the June 1, 2026, effective date through July 31, 2026, expiration date. The changes will be published in the Postal Bulletin, Issue #22702.

Destination Entry Service Standard Directory

Combined Service Standard Directory-PRI

Supplemental Service Standard Directory-PRI

Supplemental Service Standard Directory-PKG

Supplemental Service Standard Directory-PFC

Supplemental Service Standard Directory-PER

Supplemental Service Standard Directory-MKT

Supplemental Service Standard Directory-GAL

Supplemental Service Standard Directory-GAH

Supplemental Service Standard Directory-FCM

Combined Service Standard Directory-GAL

Combined Service Standard Directory-PKG

Combined Service Standard Directory-PFC

Combined Service Standard Directory-PER

Combined Service Standard Directory-MKT

Combined Service Standard Directory-GAH

Combined Service Standard Directory-FCM

3D Base Service Standard Directory

April 26 2026 FAST R67.0.3.0 Release Notes

INFORMATIONAL - Scheduled Commercial Systems Activates (4.29.2026)

INFORMATIONAL - Commercial System Releases – April 26, 2026

DELIVERY - Military Post Office (MPO) 09833, 09839, 09877 Resume Mailing Service

DELIVERY - Diplomatic Post Office (DPO) 09830, 09847 Resume Mailing Service

April 26 2026 PostalOne! R63.2.1.0 Release Notes

PTR2 Release Notes_DD_04_23_26

USPS Ship (Formerly Package Platform) through IV-MTR® Data Delegation Request

This form allows a Delegating Company (i.e., Mailer ID [MID] Owner) to provide authorization for delegation of USPS Ship (Formerly PPC) data visibility to a Receiving Company within the IV-MTR application.

Enterprise Payment System (EPS) through IV-MTR® Data Delegation Request

This form allows a Delegating Company (i.e., Mailer ID [MID] Owner) to provide authorization for delegation of Enterprise Payment System (EPS) data visibility to a Receiving Company within the IV-MTR application.

Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Operation Codes List

This spreadsheet provides a list of operation codes (opcodes), also known as Scan Event Codes, for the IV-MTR application.

INFORMATIONAL - Postal Service Updates for July 2026 S&DC Activations

INFORMATIONAL - Postal Service Updates for May and June 2026 - SDC Activations

DELIVERY - Diplomatic Post Office (09291) to resume Mailing Services

INFORMATIONAL - July 2026 Market Dominant Price Change Filing Webinar Posted to PostalPro

July 2026 Market Dominant Price Change Filing Webinar

Overview of July 2026 Market Dominant Price Change.

If you missed the session—or would like to revisit this informative presentation—you can access both the presentation slides and the full webinar recording at the link below:

To view Webinar click here:

Passcode: WQ!!7t=8

INFORMATIONAL - USPS APIs System Notification April 23, 2026

INFORMATIONAL - Last Chance - Register Today for the 2026 National Postal Forum

INFORMATIONAL - Expansion of Daily Webinar Series – API Package Tracking Access Control, Address & NCOA APIs through July 24, 2026

INFORMATIONAL: PostalOne! – [INCIDENT # 10576848] Error for Mail Entry Invoice Transaction Requests

INFORMATIONAL - Officer Announcement - Pete Routsolias

INFORMATIONAL - Connect with USPS Experts at the 2026 National Postal Forum Consultation Center

INFORMATIONAL - Executive Retirement - Dr. Joshua D. Colin

INFORMATIONAL - Forge Bold Horizons at NPF 2026 Peer-to-Peer Session