CASS and DPV are two United States Postal Service products that ensure that a mailing address exists. If you have a mailing list of questionable quality, you will  want to CASS and DPV validate the list to make certain that you are using your advertising dollars effectively. Eliminate undeliverable mail pieces and save postage and printing expenses.

KYC Data can run your list against the CASS/DPV database for a nominal fee.  Call, or contact us with data hygiene needs and volume pricing.