What is NCOALink?
NCOALink 101

National Change of Address (NCOALink) is a database owned and updated by the United States Postal Service (USPS), containing approximately 160 Million permanent change-of-address (COA) records filed with the USPS over the last 48 months.

Prior to mailing, companies can have their list(s) matched against the USPS NCOALink Database to identify individuals, families, and businesses that:

  • Have moved and completed the USPS COA Form.
    (Moved, with forwarding address)

  • Have moved without providing a COA to the USPS
    (Mail will not be forwarded).

  • Do not match 100% (yet are close) to the NCOALink Database
    These records are returned with the move effective date as well as Return Codes that explain why a new forwarding address could not be returned to you.

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NCOALink processing is provided by a non-exclusive licensee of the United States Postal Service. The following trademarks are owned by the United States Postal Service:
ZIP, ZIP Code, ZIP+4, CASS, NCOALink, LACSLink, DSF2, USPS, U.S. Postal Service, United States Postal Service, United States Post Office.