Data Files
02/06/2025
Z4 Info File

A downloadable ZIP file containing information related to the Z4 Info File

Data Files
02/06/2025
Early Warning System (EWS002C0.ZIP)

This file is the EWS production file and is updated weekly. This file contains the Early Warning System data file for the CASS™ and MASS™ certification process.

 

Data Files
02/04/2025
Priority Mail Service Standards Exceptions FY2025 Q2

The file attached is compressed. This spreadsheet details Priority Mail Service Standards Exceptions for Q2 FY2025. To download a version of this file with headers, please click here.

Data Files
02/04/2025
Originating Service Standards FY2025 Q2

This spreadsheet details originating service standards for Q2 FY2025. The file attached is compressed. To download a version of this file with headers, please click here.

Data Files
02/04/2025
Priority Mail Service Standards Exceptions FY2025 Q2 with Headers

The file attached is compressed. This spreadsheet details Priority Mail Service Standards Exceptions for Q2 FY2025. To download a version of this file without headers, please click here.

Data Files
02/04/2025
Originating Service Standards FY2025 Q2 with Headers

This spreadsheet details originating service standards for Q2 FY2025. The file attached is compressed. To download a version of this file without headers, please click here.

Data Files
02/04/2025
Combined Originating Service Standards and Priority Mail Service Standards Exceptions FY2025 Q2

This spreadsheet provides the combined originating service standards and Priority Mail service standards exceptions for Q2 FY2025. The file attached is compressed.

Data Files
02/04/2025
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Operation Codes List

This spreadsheet provides a list of operation codes (opcodes), also known as Scan Event Codes, for the IV-MTR application.