Address Validation and Verification Services

Checkissuing offers address cleansing and address validation 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 access to MRDF (Mail Run Data File) tracking.

This process scrubs all addresses and names against the State Department OFAC list as well as runs 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

What is address normalization?

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

What is address cleansing?

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.

What is CASS address standardization?

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.

How do you verify an address?

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

What is NCOA mailing?

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.

How often is NCOA updated?

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

WIll post office disclose the forwarding address?

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

What is an NCOA processing acknowledgement form?

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