Announcements
08/08/2025
08/08/2025
Tech Guides
08/08/2025
08/08/2025
Announcements
08/08/2025
08/08/2025
Announcements
08/08/2025
08/08/2025
Announcements
08/07/2025
08/07/2025
Post Office/ZIP Code Entries for Postal Bulletin 8/21/2025
This spreadsheet provides details on the Post Office/ZIP Code entry changes for Postal Bulletin issue 8/21/2025.
Announcements
08/07/2025
08/07/2025
Contact Lists
08/07/2025
08/07/2025
Contact Lists
08/07/2025
08/07/2025
NCOALink® Certified Software Developers
This document contains contact information for NCOALink® Certified Software Developers.
Contact Lists
08/07/2025
08/07/2025
NCOALink® Licensed Interface Distributors
This document contains contact information for NCOALink® Licensed Interface Distributors.
Contact Lists
08/07/2025
08/07/2025
NCOALink® Limited Service Provider Licensees
This document provides a list of service providers and contact information for NCOALink®. 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 NCOALink Full Service Provider Licensees.