DPV Codes and Information

DPV Confirmation Indicator

The DPV Confirmation Indicator is the primary method used by the USPS to indicate whether an address was considered deliverable or undeliverable.

Unfortunately, because National Change of Address information is consumer sourced, even regular NCOA processing will not prevent all returned mail. In addition, there are a number of non-move related reasons an address may not be deliverable.

Delivery Point Validation or DPV checks addresses against the USPS database to determine deliverability. Matching records are marked valid. If they have no matching entry, they are marked invalid with a corresponding note and cannot be delivered.

DPV Confirmation Indicator Codes:

Y - Address was DPV confirmed for both:

primary and (if present) secondary
numbers.

D - Address was DPV confirmed for the
primary number only, and Secondary
number information was missing.

S - Address was DPV confirmed for the
primary number only, and Secondary
number information was present but
unconfirmed.

N - Both Primary and (if present)
Secondary number information failed
to DPV Confirm.

Blank - Address not presented to hash
table.

You can read more about how to identify invalid addresses here, and to see more detail on the DPV Confirmation Indicator, check out the Delivery Point Verification Codes Table in our data dictionary here.

NCOA address validation details from sample complimentary TrueNCOA report

Validate and update your addresses now

When you process a file for free with TrueNCOA you will receive our complimentary report. This provides total 18 and 48 month moves, vacant and invalid addresses, moves by date and state, potential direct mail savings cost and more.

If there have been no moves on your file, there is no obligation to purchase. You will even receive free notifications when there is a new move on your file, so that you will know when it is time for NCOA processing.

Accounts are free, and pricing is pay-as-you-go.

With the $20/file pricing, you will receive:
- Updated Addresses for 18 and 48-Month Moves
- Address Standardization
- Identified Move Types
- Identified Address Types
- Identified Vacancies
- An Interactive Move Map

* If your constituent filed a move with the USPS NCOA within the last 18 months we consider that to be an 18-month move. Your output file will include those updated addresses.
* 48-month moves are ones where your constituent moved between 19 and 48 months ago. Your output file will include those updated addresses.

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