Address Validation and Verification Services

Checkissuing offers address cleansing services through the USPS for over 169 million domestic addresses to ensure your check or document gets to its final destination. To you, this means less returned mail, wasted time, and operational waste.

We offer USPS’ NCOA (National Change of Address) and CASS(Coding Accuracy System Software) as well as offer access to MRDF (Mail Run Data File) tracking.

This process both scrubs all addresses and names against the State Department OFAC list as well as run it through our CASS-certified address cleansing software. This system ensures your addresses adhere to proper postal formatting and autocorrects them when they don’t. This seamless, streamlined process gives you time to focus on what really matters for your business, growing it.

Address Validation Features:

  • Proprietary database of over 165 million continuously updated unique addresses
  • CASS™-certified software standardizes, and validates addresses, correcting typos and missing postal information including bad street names, cities, states, and ZIP codes
  • Regularly updated database of USPS® street addresses
  • Appends ZIP+4 codes
  • Residential Delivery Indicator (RDI) identifies addresses as residence or business
  • USPS® address verification API helps improve the efficiency of mailings, reducing costs associated with lost, undeliverable, and returned mail
  • Improves customer satisfaction by helping ensure customers receive their orders, marketing materials, sensitive correspondence, and special offers quickly and without unnecessary delays
  • API instantly corrects and appends address information
  • Real time, on demand response time as fast as 150 milliseconds

Frequently Asked Questions

Address normalization, otherwise known as standardization, is the process of changing addresses to adhere to USPS standards.

Address cleansing is the process of standardizing, correcting of missing/inaccurate information, ensuring the correct postal format is used and then validating a postal address.

CASS address standardization is the process of standardizing addresses so that they follow the USPS Coding Accuracy Support System (CASS) requirements, helping ensure accuracy in ZIP codes and delivery point codes.

Addresses can be verified in real-time through the USPS’s CASS address management and their validation systems.

NCOA stands for the National Change of Address system, which is an information tool for database managers & mailers to use before mailing to ensure accuracy.

The NCOA Link database is updated weekly and changes are kept in the file for four years.

The post office will not give out forwarding addresses to random individuals for safety reasons.

A Processing Acknowledgement Form (PAF) is a required form by the United States Postal Service to notify them of change of address information.


Contact us today to get a demo and find out how we can help with your printing and mailing needs!