Customer list management services

Learn about address verification

Customer List Management Services

Address data remains a critical piece of information for maintaining and growing your business. Experian Data Quality provides a range of address verification services that will check your existing addresses against the USPS® database, allowing you to mail confidently with the knowledge that every communication will reach a valid address.

Address Validation

Discover addresses in your mailing list that are invalid, inaccurate, and undeliverable by matching against USPS data.



Address Cleansing

When was the last time you cleaned your mailing list? If it’s been more than a year then it’s probably time for a cleanup. Scrub your list today to improve the results of your next mailing.


Have your customers moved recently? Increase the deliverability of your mail by leveraging the latest change-of-address data, allowing you to find and update any old addresses in your database.

Address Correction

Have returned mail and bad addresses got you down? Use our online address correction service to scrub your list and improve your data.

Experian is a nonexclusive full-service provider licensee of the United States Postal Service®. The following trademarks are owned by the United States Postal Service®: CASS Certified, United States Postal Service, ZIP+4, USPS and CASS. The price for Experian's services is not established, controlled or approved by the United States Postal Service.

Improve Address Accuracy

"We've managed to improve our customer data, reduce costs and provide a better customer experience -- all while staying way ahead of the ROI. We're thrilled with the first-class products and services that have been provided; Experian Data Quality is clearly an industry leader"

- Overstock

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Call us at 1 888 808 8242