Frequently asked question

Is U.S. geocoding CASS certified?

Last Published: April 25, 2020


Yes; U.S. geocoding is United States Postal Service (USPS) Coding Accuracy Support System (CASS)-certified. CASS is a service offered to mailers, service bureaus, and software vendors that improves the accuracy of delivery point codes, ZIP+4 Codes, 5-digit ZIP Codes, and carrier route information on mail.

Article ID:000008497

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