Contact Lists
11/21/2024
CASS™ Software Manufacturers Cycle O - (Expires July 31, 2028)
Contact Lists
11/21/2024
CASS™/MASS™ Certified Products Guide - All Sections Data Files Cycle O - (Expires July 31, 2028)

This document contains the certified vendors list for CASS™ and MASS™ products for Cycle O.

Data Files
11/21/2024
Z4 Info File

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

Data Files
11/21/2024
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.

 

Announcements
11/20/2024
DELIVERY: Southern Area – Tennessee District - Mountain City Post Office (37683) – Resume Operations
Announcements
11/20/2024
INFORMATIONAL: Southern Area AIM In-Person Meeting - Save the Date
Announcements
11/20/2024
INFORMATIONAL: USPS Ship - (INC# 9197109) Delayed Postage Payment for Returns and Census Adjustments
Announcements
11/20/2024
DELIVERY: Southern Area – Texas 2 District - Rosenberg Post Office (77471) – Resume Operations
Announcements
11/20/2024
DELIVERY: WestPac Area - AZ-NM District - Cave Creek Post Office and Cave Creek Carrier Annex – Temporarily Closed
Presentations
11/20/2024
USPS Ship Census and Monthly Assessments Webinar Slides