What is DPV

Product Feature: Universal Address Module
Delivery Point Validation (DPV®) is a United States Postal Service (USPS®) technology that validates
the accuracy of address information down to the individual mailing address. By using DPV to validate
addresses, you can reduce undeliverable-as-addressed (UAA) mail, thereby reducing postage costs
and other business costs associated with inaccurate address information.

Note: DPV  is only available for U.S. addresses.

Without DPV, the address validation process only verifies that an individual address is within a range
of valid addresses for the given street. For example, the USPS data indicates that the range of addresses
on Maple Lane is 500 to 1000. You attempt to validate an address of 610 Maple Ln. Without DPV, this
address would appear to be valid because it is in the range of 500 to 1000. However, in reality the address
610 Maple Ln does not exist: the house numbers in this section of the street are 608, 609, 613, and 616.
With DPV processing, you would be alerted to the fact that 610 Maple Ln does not exist and you could
take action to correct the address.

DPV also provides unique address attributes to help produce more targeted mailing lists. For example,
DPV can indicate if a location is vacant and can identify commercial mail receiving agencies (CMRAs)
and private mail boxes.

Although DPV can validate the accuracy of an existing address, you cannot use DPV to create address
lists. For example, you can validate that 123 Elm Street Apartment 6 exists, but you cannot ask if there
is an Apartment 7 at the same street address. To prevent the generation of address lists, the DPV
database contains false positive records. False positive records are artificially manufactured addresses that reside in a false positive table. For each negative response that occurs in a DPV query, a query is
made to the false positive table. A match to this table will stop DPV processing.
UPDATED:  April 5, 2017