Announcements
06/18/2026
INFORMATIONAL - Commercial System Releases July 1, 2026
Announcements
06/17/2026
INFORMATIONAL: USPS APIs System Release Notification - June 24, 2026
Announcements
06/17/2026
INFORMATIONAL: USPS APIs Systeme Release Notification - June 24, 2026
Announcements
06/17/2026
DELIVERY - Resumption of Mail Service to Niue - Effective June 22, 2026
Announcements
06/17/2026
INFORMATIONAL - Postal Service Prepares for Championship Celebration Parades
Announcements
06/17/2026
INFORMATIONAL - Retirement of USPS Tracking v3.0 and Tracking Webhook Subscriptions v3.0 APIs
  • 06/16/2026

    PostalOne! Release 64.0.0.0 Mail.XML PROD WSDLs

    This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PROD Release 64.0.0.0

  • 06/16/2026

    PostalOne! Release 64.0.0.0 Mail.XML TEM WSDLs

    This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ TEM Release 64.0.0.0

  • 06/16/2026

    PostalOne! Release 64.0.0.0 Mail.XML PrePROD WSDLs

  • 06/16/2026

    PostalOne! Release 64.0.0.0 Mail.XML CAT WSDLs

    This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ CAT Release 64.0.0.0

    • Presentations
    06/16/2026
    PCC National Monthly Touchpoint (June)

     

     

    PCC National Monthly Touchpoint (June)

    Passcode: k8tv2jE+

    Announcements
    06/16/2026
    INFORMATIONAL - Plant-Verified Drop Shipment Updates for July 12, 2026 Price Change
    Announcements
    06/16/2026
    PCC Week Speaker Request Survey
    Release Notes
    06/16/2026
    PTR2 Release Notes_DD_06_16_26
    Announcements
    06/16/2026
    DELIVERY - Rillito Post Office (85654) - Temporarily Closed
    Announcements
    06/16/2026
    INFORMATIONAL - USPS Webinar - AI-Powered Omnichannel Performance TODAY June 16, 2026
    Announcements
    06/12/2026
    Power-up your Public Speaking Skills with Chris Lien
    Release Notes
    06/12/2026
    PTR2 Release Notes_DD_06_13_26
    Announcements
    06/12/2026
    DELIVERY - Commercial System Releases (June 20 – June 26)
    Announcements
    06/12/2026
    DELIVERY - NC District Waco Post Office (28169) Temporarily Closed
    Announcements
    06/12/2026
    DELIVERY - South Colton Post Office (13687) - Suspended Temporarily
    Announcements
    06/12/2026
    INFORMATIONAL - USPS Occupancy Trends Product
    Announcements
    06/12/2026
    INFORMATIONAL - USPS Population Mobility Trends Product
    Release Notes
    06/12/2026
    July 2026 Release Overview

    Note: For the latest technical specifications, please see the July 2026 Price Change Release Notes as they are published. Mail.dat and Mail.XML updates required for this release. 

    Announcements
    06/10/2026
    INFORMATIONAL - July Price Change 2026 - Commercial System Releases June 28, 2026
    Announcements
    06/10/2026
    INFORMATIONAL - Mailer ID (MID) Validation for Payments API June 22, 2026
    Announcements
    06/10/2026
    DELIVERY - International Service Resumption Notice effective June 12, 2026
    Announcements
    06/09/2026
    DELIVERY - Lone Rock Post Office (50559) - Suspended Temporarily
    Presentations
    06/09/2026
    Atlantic AIM Presentation - June 3, 2026
    Contact Lists
    06/09/2026
    Atlantic AIM Leadership 2026
    Announcements
    06/08/2026
    INFORMATIONAL - New Mail.dat client for July 2026 Price Change June 28, 2026
    Announcements
    06/08/2026
    INFORMATIONAL - USPS APIs System Release Notification June 10, 2026
    Announcements
    06/06/2026
    INFORMATIONAL: USPS APIs System Deployment [CR# TBD] - Saturday, June 27, 2026
    Announcements
    06/06/2026
    INFORMATIONAL: USPS APIs System Deployment - Sunday, June 21, 2026
    Announcements
    06/06/2026
    INFORMATIONAL: USPS APIs System Deployment - Sunday, June 7, 2026
    Announcements
    06/05/2026
    PCC Week 2026 Topic Ideas
    Publications
    06/05/2026
    PCCAC Marketing and Communications Newsletter May 2026 Edition
    Announcements
    06/05/2026
    INFORMATIONAL - Commercial System Releases (June 11 – June 19)
    Announcements
    06/05/2026
    DELIVERY - Clarkson Post Office (14430) - Suspended Temporarily
    Announcements
    06/05/2026
    INFORMATIONAL - Reminder - Central Area AIM In-Person Meeting 2026 Invitation - JUNE 30th 2026
    Release Notes
    06/05/2026
    June 11 2026 USPS Ship R27.0.3.0 Release Notes
    Announcements
    06/04/2026
    INFORMATIONAL - Commercial System Release - June 4, 2026
    Announcements
    06/04/2026
    INFORMATIONAL - Major USPS Pricing Shifts July 2026 - What Mailers Need to Know
    Release Notes
    06/04/2026
    June 4 2026 USPS Ship R27.0.2.0 Release Notes
    Announcements
    06/03/2026
    INFORMATIONAL - USPS Modernization Through Package Equipment Upgrades in June 2026
    Announcements
    06/03/2026
    DELIVERY - Corte Madera Post Office - Temporarily Closed
    Publications
    06/03/2026
    PCC Events (June 2026)
    Announcements
    06/02/2026
    INFORMATIONAL - RESOLVED - Enterprise Payment System – Incident #10716992 Issues with Postage Statement Finalization, ACH Withdrawal Details Missing from Data Feeds
    Announcements
    06/01/2026
    INFORMATIONAL - 2nd Reminder - USPS Enhanced Addresses API – Coming July 2026
    Announcements
    06/01/2026
    INFORMATIONAL - Mail Spoken Here - May Issue