Address verification

Verify addresses with USPS® data

Your organization may be data-driven, but that strategy is only as effective as the data being collected. Don't let dirty, bad customer data hurt your bottom line.

With 20 years of research and development and thousands of clients in North America, Experian Data Quality recognizes the significance that contact data quality, particularly address data, has in every organization. The right address verification software will ensure that you always have the most current and correct contact data.

For this reason, Experian Data Quality offers industry-leading address verification solutions that cleanse your customer records against the latest U.S. Postal Service® (USPS) address data.

If you want to truly leverage your data, then you need to be sure you are collecting up-to-date, deliverable addresses. Our powerful address verification tools validate addresses in real time before they are added to your database. Our address validation software provides a complete and standardized USPS® addresses by appending ZIP + 4® data, prompting for missing address details, and correcting any spelling or formatting errors.

This translates to substantial cost and time savings over commonly used traditional, manual data cleansing methods.

Our address verification service is highly customizable and easy to use regardless of the environment, allowing you to easily and instantly verify everywhere you collect address data. This is the address data cleansing solution you have been looking for.

Did you know...

Organizations believe that 25% of their data is inaccurate?

Benefits of an address verification system:

  • Increases data accuracy and save resources associated with manually cleansing your database
  • Improves shipping processes by reducing returned mail, undeliverable packages, and delivery surcharges. Ensure deliverability and speed up delivery rates!
  • Enhances customer profiling and targeting capabilities
  • Improves customer satisfaction and call center performance
  • Reduces data fraud

USPS address validation from Experian Data Quality offers industry-leading power, performance and ease-of-use. With the ability to quickly and efficiently cleanse any address, this solution was built with its end users in mind.

  • International address data: Leverage data from postal authorities including the USPS, Canada Post, and Royal Mail. We offer data for over 200 different countries.
  • CASSTM-certified: Experian Data Quality has been licensed to use the USPS® address data file in our address cleansing software for more than nine years, and our products have been engineered to operate efficiently referencing this data.
  • Type-down engine: Guides users through the address entry process in 15 keystrokes or fewer, requiring minimal details for a complete, correct and valid address to be returned.
  • Census tract and carrier route data sets: Enhanced, granular address data is available to pinpoint specific geographic areas.
  • Latitude and longitude data: Retrieve exact latitudinal/longitudinal coordinates with extreme accuracy.
  • Name validation: Look up name data to verify a person at a particular address.
  • Security: Address data is protected by Experian, a global leader in data privacy and security. With 24/7 monitoring, this is a highly secure hosted platform that you can trust.
  • Support: In-house resources are dedicated to help you with every step of implementation.

This address verification solution is easy to use and can be highly customized to fit your needs. We offer several USPS address verification deployment methods to suit any environment:

  • Address verification API: A SOAP-based web service that is simple to integrate into websites, browser-based applications and thin-client environments.

    Available sample code:

  • C# .NET address verification web service code Pro Web C# sample code

    JSP address verification web service code Pro Web JSP sample code

    PHP address verification web service code Pro Web PHP sample code

  • Web application: Used entirely within a web browser and doesn't require installation of any additional software on your machine. This postal address verification option allows bulk-processing when a file is uploaded and processed.
  • On-premise software: A full pre-built user interface that can be used as a standalone desktop application on your individual machine or on a network drive as a Client/Server application.

    Installation Requirements: 40-50 MB for program files. 2-3 GB for postal data files.

    Platforms Supported: Windows 32-bit/64-bit, UNIX (AIX, Solaris, HPUX), and Linux

  • Pre-integrations: Our USPS verify-address solution is pre-built into several industry-leading software providers, allowing you to take advantage of address validation capabilities from within your existing systems and applications.

Experian Data Quality partners with industry-leading software providers to deliver address validation. We have pre-integrated our solution within popular CRM, POS, e-commerce, ERP, and order management applications in order to streamline USPS address verification.

Benefits of pre-integrations:

  • Implement in a fraction of the time required for custom projects.
  • Eliminate the technical resources required for customized deployments.
  • Ensure a seamless user experience while capturing accurate data.

Our integrated solutions for address data cleansing are pre-built with our partners' applications in mind. Each solution takes the partner's unique workflow and code base into account and has been reviewed by multiple sources before completion.

Enterprise applications


Address, email and phone verification for Salesforce users in the Sales Cloud, Service Cloud, Call Center and Service Console.



Address validation for Oracle CRM On Demand, Oracle E-Business Suite, Siebel E-Business Suite, PeopleSoft & ATG Web Commerce.


Microsoft CRM

Turnkey integration into Microsoft Dynamics CRM, including MS CRM 2011.

Higher education


Online address validation for Ellucian student and alumni management tools.


Seamless integration of Experian Data Quality functionality into Jenzabar ERP, EX & CX systems.



Address validation at checkout for Magento Community and Enterprise Editions.


Real-time data validation for RedPrairie call center and e-commerce applications.


Address verification in-store, online and in call centers for MICROS-Retail users.


Address validation integrated into the Demandware E-commerce Platform.


Point-of-sale address verification for Raymark Xpert users.



Turnkey integration into the Constituent Search Table for Tessitura users.



Accredited real-time validation integration into Symitar Episys®.


US and Canadian address validation for FSB users.

Do you have a list of address data that you want to check the quality of?

We offer a free data quality report that allows you to check the quality of your address data before purchasing a solution. You can upload an address data file, and we will process your data and send you a comprehensive data quality report from our USPS address validation system.

You can choose to interpret this report yourself, or we will match you with a data quality consultant to walk you through your results. After reviewing your results you can decide to purchase your fully processed list.

Free Data Quality Report

Want more information on address verification? Check out these content materials.

Product Sheet:

Address Validation Product sheet

Case study:

Saks address verification case study

White paper:

Data quality benchmark report