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NCOALink (a.k.a. NCOA or National Change of Address)

Update change of address records in your list before you mail

Over 43 million Americans move each year, which contributes to the declining accuracy of your mailing lists, and a major cause of undeliverable-as-addressed (UAA) mail. National change of address processing (NCOA) helps reduce UAA mail by identifying and updating the addresses of people and businesses that have moved.

As a NCOALink Full Service Provider licensee of the USPS® Melissa Data will match your list against the full USPS NCOALink® dataset of approximately 160 million records, which includes all permanent change-of-address records filed with the USPS over the last 48 months. This data is updated weekly from the USPS. Other providers choose to license the limited NCOALink product, which means they have access to change of address records filed in the last 18 months (approximately 60 million records). Only a Full Service provider like Melissa Data can identify and update the most change of address records in your list.

Mailing lists that are processed through the NCOALink service meet the USPS Move Update requirement for a period of 95 days from the date of processing to qualify mailings for First Class™ and Standard Mail® postage discounts.

SmartMover FTP
SmartMover FTP allows you to automate your NCOALink workflow – ideal for high frequency or high volume users.

NCOA Link® Price Chart Per Million

Required Fields:
Full Name and/or Company Name; Address; City; State and 5-digit ZIP Code.

Returned Fields:
Return Code; Move Type; Move Date; Address Error; DPBC; CRRT; and Mail Score.

Processing Acknowledgement Form
The USPS requires a completed Processing Acknowledgement Form (PAF) for each of our customers prior to providing NCOALink service.  Click here to download the PAF and NCOALink usage guidelines and required text.

Identify Movers in Your List and Update their Address Information with our NCOALink® Services

First Name*
Last Name*


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Melissa Data
The leading international provider of data quality and address verification software. Melissa Data's affordable, easy-to-use solutions for data cleaning and deduplication can be used separately or together to provide full global data quality. Melissa Data specializes in Microsoft .NET and SQL Server Integration Services, IBM, Java and Oracle environments with APIs, Web services and enterprise plugins that empower batch and real-time applications. Melissa Data's flagship Contact Zone enables data stewards to quickly create complex data quality and data integration routines with visual programming. Melissa Data also provides a full line of direct marketing solutions including mailing software, list hygiene and data append services, and a comprehensive line of mailing lists and sales leads.