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.

NCOALink® Full Service Provider Licensees

This document contains information about NCOA^Link® Full Service Provider Licensees. These service providers receive 48 months of change-of-address (COA) data from the USPS^® on a weekly basis.

NCOALink® Limited Service Provider Licensees

This document provides a list of service providers and contact information for NCOA^Link®. These providers receive 18 months of change-of-address (COA) data on a weekly basis from the USPS^®. For the full 48 months of COA data refer to the NCOA^Link Full Service Provider Licensees.

DSF2® Licensees

This document contains a list of DSF^2® licensed providers with contact information.

Z4 Info File

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

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.

NCOALink® with ANKLink® Service Providers

This document provides a list of service providers and contact information for NCOA^Link® with ANK^Link®. These service providers have 18 months of Change-of-address (COA) data from the USPS^®. In addition, they inform mailers if a move has occurred in months 19 - 48, but do not provide the new address. The mailer will need to contact the Full Service Provider licensees to obtain the new address data for months 19 - 48.

DELIVERY: Southern Area - Florida 3 - Surfside Branch (33154) - Temporarily Suspended

DELIVERY: Central Area - KY-WV District - Proctor Post Office (26055) - Suspended

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