US Address Verification 3.0.0
NOTE: This Web service is only for the use of existing StrikeIron customers and new CRMFusion customers. For the equivalent Web service for all other users, Please Click Here to view the current public version.
Put the United States Postal Service to work for you. By using the USPS to verify, correct and enhance any address in the U.S. Corrects addresses, adds ZIP+4 data, provides delivery point verification, gives congressional districts, carrier routes and more.