To continue using our interactive address validation page,
please enter your YAddress User Key.
If you do not remember it,
to your YAddress account.
If you do not have an account,
sign up now.
Corrects thousands of typos, misspellings, common abbreviations and other text entry errors in postal addresses.
Returned address is known to represent a valid location. If not, you get an error code.
Every address is presented in the USPS standard format, suitable for mailing and direct string comparison of addresses.
Returns latitude and longitude of the address" location on the map with precision to the exact building.
Returns many other data fields such as FIPS codes for state and county,
US Census Bureau tract and block, and many more.
See Web API for details.
Use convenient RESTful API on the Web. JSON and XML-formatted responses.
Deploy and host locally on your own hardware.
Upload a batch of addresses in a file for one-time processing.
Make YAddress calls directly from SQL queries and
stored procedures. Or incorporate YAddress into your SSIS ETL packages.
In Microsoft Excel, you can use YAddress to
validate postal addresses directly in your spreadsheet.
Follow this tutorial to learn how to install and use YAddress add-in for Excel.
Read our article on inner-workings of YAddress in Dr. Dobb's Magazine --
the #1 publication for software developers