Announcements
06/28/2025
INFORMATIONAL: USPS APIs System Maintenance - June 30, 2025
Announcements
06/28/2025
DELIVERY: Atlantic Area - Maryland District - Oxford Post Office (21654) - Temporarily Closed
Announcements
06/27/2025
DELIVERY - Central Area – Ohio 1 District - Rogers Post Office - 44455
Announcements
06/27/2025
INFORMATIONAL - The MSSC Announces EVS Email Addresses Decommissioned
Publications
06/27/2025
Labeling List Changes Effective August 1, 2025

Effective August 1, 2025, the Postal Service™ will revise Labeling List(s) L002, L004, L005, L007, L010, L012, L601, L605, and L606 to reflect changes in mail processing operations.

Technical Specifications
06/27/2025
Enterprise Payment System IV-MTR Data Elements
Announcements
06/26/2025
INFORMATIONAL: Postal Service Prepares for Network Distribution Center Entry and Presort Discount Elimination
Fact Sheets
06/26/2025
About Mailers' Technical Advisory Committee (MTAC) User Group 4

This document provides a brief description of MTAC User Group 4 for mail visibility and provides a contact for requesting to join the group.

Announcements
06/25/2025
INFORMATIONAL - Key Personnel Announcements in the Chief Technology and Engineering Group
Announcements
06/25/2025
INFORMATIONAL - Executive Retirement - Scott R. Bombaugh Chief Technology Officer & Executive Vice President