Data Files
04/27/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
04/27/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Release Notes
04/26/2026
April 26 2026 FAST R67.0.3.0 Release Notes
Announcements
04/24/2026
INFORMATIONAL - Scheduled Commercial Systems Activates (4.29.2026)
Announcements
04/24/2026
INFORMATIONAL - Commercial System Releases – April 26, 2026
Announcements
04/24/2026
DELIVERY - Military Post Office (MPO) 09833, 09839, 09877 Resume Mailing Service
Announcements
04/24/2026
DELIVERY - Diplomatic Post Office (DPO) 09830, 09847 Resume Mailing Service
Release Notes
04/24/2026
April 26 2026 PostalOne! R63.2.1.0 Release Notes
Release Notes
04/24/2026
PTR2 Release Notes_DD_04_23_26
Applications/ Forms
04/24/2026
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.