Contact Lists
04/24/2025
DSF2® Licensees

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

Data Files
04/24/2025
Z4 Info File

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

Data Files
04/24/2025
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.

 

Contact Lists
04/24/2025
NCOALink® with ANKLink® Service Providers

This document provides a list of service providers and contact information for NCOALink® with ANKLink®. 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.