Data Files
05/18/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
05/18/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

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)
Release Notes
05/15/2026
PTR2 Release Notes_DD_05_19_26
Announcements
05/15/2026
INFORMATIONAL: USPS APIs System Release - May 20, 2026