Visit the USPS ZIP Code by Address lookup tool at: https://tools.usps.com/zip-code-lookup.htm?byaddress Enter the street address, city, state, and ZIP Code in the designated fields. Not all fields are required, but complete address information increases the chances of successful validation ...
the address is checked against the AMS data file to ensure that it exists as an active delivery point.[170] The USPS provides DPV on their website as part of the ZIP Code Lookup tool; there are also companies that offer services to perform DPV in bulk. ...