Data Files
05/28/2026
Occupancy Trends Route Vacant File (TXT) Sample File
Data Files
05/28/2026
Occupancy Trends ZIP Code Vacant File (TXT) Sample File
Tech Guides
05/28/2026
Occupancy Trends Technical Guide
Technical Specifications
05/28/2026
Population Mobility Trends Technical Guide
Data Files
05/28/2026
Population Mobility Trends Summary (CSV) Sample File
Data Files
05/28/2026
Population Mobility Trends 48-Month Historical (CSV) Sample File
Release Notes
05/27/2026
PTR2 Release Notes_DD_05_28_26
Announcements
05/27/2026
INFORMATIONAL - Commercial System Releases (May 30 – June 5)
Release Notes
05/27/2026
PTR2 Release Notes_DD_05_26_26
Publications
05/27/2026
Labeling List Changes Effective July 1, 2026

Effective July 1, 2026, the Postal Service™ will revise Labeling List(s) L001, L007, L009, L012, 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 July 1, 2026, effective date through August 31, 2026, expiration date. The changes will be published in the Postal Bulletin, Issue #22704.


 

Announcements
05/27/2026
INFORMATIONAL - July Price Change 2026 - Commercial System Releases June 28, 2026
Announcements
05/27/2026
INFORMATIONAL - Scheduled Commercial System Release - June 28, 2026
Announcements
05/26/2026
Elevation Summit Training (Boston, June 9-10) REGISTER ENDS 5/27
Announcements
05/26/2026
SITE SYNERGY: WestPac PCCs Lead the Way Mini Café
Announcements
05/26/2026
PROCESSING AND DISTRIBUTION - Western Region – Tucson, AZ P&DC - Power Outage
Announcements
05/23/2026
PROCESSING & DISTRIBUTION: Tampa, FL Regional Processing & Distribution Center (RPDC) Modernizes Operations on May 25, 2026
Announcements
05/22/2026
INFORMATIONAL - Commercial System Releases (May 30 – June 5) May 31, 2026
Release Notes
05/21/2026
PTR2 Release Notes_DD_05_21_26
Technical Specifications
05/21/2026
PTR Tracking API Specifications and Integration
Announcements
05/20/2026
INFORMATIONAL - Updated 5-20-2026 - 2026 Labeling List and Mail Direction File (MDF) Timeline
Announcements
05/20/2026
DELIVERY - Diplomatic Post Office (DPO) May 20, 2026
Announcements
05/20/2026
INFORMATIONAL - USPS APIs System Release May 21, 2026
Presentations
05/19/2026
PCC National Monthly Touchpoint (May)

 

 

PCC National Monthly Touchpoint Recording (May)

Passcode: S+?yXQe3

Announcements
05/19/2026
INFORMATIONAL - Mailer Scorecard - Temporarily Unavailable
Announcements
05/19/2026
INFORMATIONAL - Updated - 2026 Labeling List and Mail Direction File (MDF) Timeline
Release Notes
05/19/2026
PTR2 Release Notes_DD_05_19_26
Release Notes
05/18/2026
May 31 2026 EPS/eBill R8.4.0.0 Release Notes
  • 05/18/2026

    IMpb (Intelligent Mail® Package Barcode & IMmb (Intelligent Mail® Matrix Barcode) Verification Fact Sheet

    • Announcements
    05/18/2026
    DELIVERY - International Service Resumption Notice – Effective May 19, 2026
    Announcements
    05/18/2026
    INFORMATIONAL - USPS APIs System Release - Rescheduled May 28, 2026
    Announcements
    05/18/2026
    INFORMATIONAL - USPS APIs System Release May 26, 2026
    Release Notes
    05/17/2026
    May 17 2026 PostalOne! R63.2.2.0; Crosswalk R10.0.1.0 & USPS Ship R27.0.0.0 Release Notes
    Announcements
    05/15/2026
    INFORMATIONAL: Business Customer Gateway (BCG) – [INCIDENT # 10666547] Customer Validation Tool Query Errors – Resolved
    Announcements
    05/15/2026
    INFORMATIONAL: Business Customer Gateway (BCG) – [INCIDENT # 10666547] Customer Validation Tool Query Errors
    Announcements
    05/15/2026
    INFORMATIONAL: Enterprise Payment System (EPS) System – [INCIDENT # 10664537] EPS Delayed ACH Debit and Credit Card Transaction Processing Issue Resolved
    Announcements
    05/15/2026
    PROCESSING & DISTRIBUTION: Memphis, TN Regional Processing & Distribution Center (RPDC) Expands Operations - May 16, 2026
    Announcements
    05/15/2026
    INFORMATIONAL: Commercial System Releases (May 23 - May 29)
    Announcements
    05/15/2026
    INFORMATIONAL: USPS APIs System Release - May 20, 2026
    Release Notes
    05/15/2026
    May 27 2026 USPS Ship R27.0.1.0 Release Notes
    Announcements
    05/15/2026
    Post Office/ZIP Code Entries for Postal Bulletin 5/28/2026

    This spreadsheet provides details on the Post Office/ZIP Code entry changes for Postal Bulletin issue 5/28/2026.

    Announcements
    05/14/2026
    2026 PCC Leadership Award Winners Announced at the National Postal Forum
    Announcements
    05/14/2026
    INFORMATIONAL - Package Tracking API Provisioning Reminder
    Announcements
    05/14/2026
    INFORMATIONAL - Reminder - USPS Enhanced Addresses API – Coming July 2026
    Release Notes
    05/13/2026
    PTR2 Release Notes_DD_05_14_26
    Announcements
    05/13/2026
    DELIVERY - International Service Resumption Notice - Effective May 15, 2026
    Applications/ Forms
    05/12/2026
    Emerging Roads Order Form

    The USPS Emerging Roads™ order form is coming soon.

    Announcements
    05/12/2026
    INFORMATIONAL - Registration Deadline - Mail Growth Incentives 2026
    Presentations
    05/12/2026
    July 2026 Market Dominant Price Change Filing Webinar Q&As
    Announcements
    05/11/2026
    INFORMATIONAL: Changes to USPS Dimensional (DIM) Weight Calculation
    Announcements
    05/11/2026
    INFORMATIONAL: U.S. Postal Service Recommends Competitive Price Changes for July 2026