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Non-USPS® Change of Address

Reduce Undeliverable-As-Addressed Mail by Going Beyond NCOALink®

Consumer moves are the biggest cause of undeliverable-as-addressed (UAA) mail. Over 43 million Americans move each year. And, 40% of all moves are not reported to the USPS. Melissa Data offers two hygiene services that go beyond NCOALink to help you stay in touch with moving customers and reduce returned mail and waste.

Note: It is always recommended that you use these services in conjunction with NCOALink, rather than as a standalone service. NCOALink is still the best method to capture the most moves, and is required in order to meet the USPS Move-Update Requirements.


  • Save on production time & postage
  • Expand your direct mail campaigns
  • Stay in touch with customers who have moved


  • Database of 121 million+ records (mCOA)
  • Multiple private sources data collection
  • 360 months (wayback) database (pCOA)

mCOA (Multisource Change of Address)

The mCOA database contains 60 months (5 years) of address changes to help identify residents that have moved, but may not have filed a change of address with the USPS. The file consists of 121 million records from sources including magazine subscriptions, catalog houses, insurance companies, credit bureaus, mail-order firms, and others.

mCOA - Multisource Change of Address Price Chart

pCOA (Proprietary Change of Address)

The pCOA database goes back 360 months (30 years) to identify movers in your customer list. The file consists of data collected from multiple private sources including banks, credit card companies, magazine publishers, etc. Often, these companies will receive change-of-address notifications that were not reported to the USPS.

pCOA - Proprietary Change of Address Price Chart

Non USPS® Change of Address Process Your Files With Listware Classic - Free Download

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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.