The DPV Confirmation Indicator of “Y” is the response you most want since it means it is the most precise address for a delivery location offered by the USPS.Ī DPV Confirmation Indicator of “D” is almost as good since it indicates an address is valid and shippable but also indicates there may be a valid secondary address number (suites, apartments, units, etc.) missing from your entry. The primary number (building, house) and the secondary number (suite, apartment, unit, etc.) failed DPV confirmation.Īn address match wasn't found, so it didn't submit for DPV confirmation. The primary number (building, house) is confirmed, but the secondary number (suite, apartment, unit, etc.) is present but failed DPV Confirmation. The primary number (building, house) confirmed, but the secondary number (suite, apartment, unit, etc.) is missing from the user entry. Possible Delivery Point Validation Indicator options are: To learn more about DPV, read the Understanding the USPS Output section below. Clicking will expand the result to display the Delivery Point Validation (DPV) information, indicating whether the address is a valid delivery point as per USPS standards. To access additional information about the address, click on the '⌄' icon next to the address. If the address isn't recognized, the tool can offer suggestions for rectifying it. Not all fields are required, but complete address information increases the chances of successful validation by USPS.Įxamine the results to ensure the address is accurate and conforms to USPS formatting rules. Visit the USPS ZIP Code by Address lookup tool at: Įnter the street address, city, state, and ZIP Code in the designated fields. If you're more of a visual learner, check out the video below. Here we'll provide step-by-step instructions. The free tool is available on, can standardize and verify address accuracy, and allows one address entry at a time. How to Validate an Address with the USPS Address Lookup ToolĪ common way to validate an address is using the USPS Address Verification tool.

Pros of Using the USPS Postal Address Verification Tool.

Understanding the USPS Output, DPV, and LACS Link®.

Why is USPS Address Validation Necessary?.How to Validate an Address with the USPS Address Lookup Tool.

Website to verify email addresses