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CASS address verification web services for businesses

With our CASS™-certified solution, we ensure your address data follows formatting and standardization requirements set by the USPS®. 

Tackle undelivered mail head on

Address verification with CASS database

Address validation reduces the amount of improperly addressed mail your organization sends; correctly addressed mail helps to increase postal efficiency and reduces the manpower necessary to handle the mail and packages. Programs that assist in the process of guaranteeing addresses are accurate by USPS Standards are known collectively as CASS™-certified software. CASS™-certified software will increase your ability to send mail to the right people and reduce the amount of undelivered mail.  

Our CASS™ certification is based on accuracy in ZIP codes, ZIP +4® codes, and delivery point codes. CASS™ refers specifically to the verification status of a contact list or address database. By adopting a CASS™-certified software and having a certified database, your organization can qualify to receive discounts on shipping and bulk mailing costs. In addition, companies will benefit from having a verified and standardized contact database, which can increase both efficiency and accuracy in bulk mailings. 

Once data has been processed through a CASS™-certified product, a CASS™ Summary Report can be generated. This report contains information about the condition of the original addresses and how the addresses have changed after cleaning. 

Experian has been CASS-certified for 20 years

As of July 2023, we have officially migrated to USPS CASS Cycle O.

 USPS® is implementing CASSTM Cycle O and, after 20 years of being certified, Experian is in the process of certifying our Address Validation product suite for this new cycle.  

This is the first USPS CASSTM cycle upgrade in over 10 years, so a highly anticipated update for the entire US mailing industry.  

Increase precision

Ensure address data is correct and up-to-date.

Decrease spending

Reduce costs associated with undeliverable and returned mail.

Create structure and order

Standardize address formats in your database.

Need to improve the quality of data in your business? Let us help. We will identify the areas of opportunity that best suit your organization's needs. 

Learn how address validation works with CASS Certification

Improve your customers' experience

of organizations agree that inaccurate data is undermining their ability to provide an excellent customer experience.

  • Clear communication- Send mail to the right customers to reduce undelivered mail.
  • Consistency- Send mail in a timely manner, reduce delayed mail.
  • Adaptability- Ensure that your data is accurate and up-to-date.

Leverage your data management strategy

of organizations have a proactive data management strategy. 

  • Many organizations find that they are not able to have a proactive data strategy due to an insufficient budget.
  • Many organizations believe analyzing data requires vast amounts of business time. With the right data management strategy, you will save your organization time on analysis.
  • While some organizations have centralized how their data quality is reviewed and maintained internally, many departments still independently adopt their own data strategy.

Address verification

By leveraging address verification, your organization can see benefits like improved database quality, enhanced customer relationships, and increased timely deliveries to customer, to name a few. 

Address verification solutions

Contact data quality

Data quality is important because it allows your organization to make decisions based on data you trust. We will transform your messy database in-to a standardized and easy-to-navigate data resource. 

Tap into your data's potential

Full feature set
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Validate address data and qualify for bulk mailing discounts with CASS-certified address software integrated into our data quality management platform

Data quality management ecosystem

Manage address verification with our data quality platform

 

A lot goes into confirming that an address is valid. For the USPS®, there are several pieces of information needed to verify an address. When you leverage an address validation solution, it checks the information entered against USPS® database. As a CASSTM-certified vendor, our products cleanse, verify, and standardize addresses before matching against CASSTM data to help customers get the best ROI for their mailings.