Address Correction, Validation, Standardization and Geocoding

Try it now:

Error Code:
Error Message:
Address Line 1:
Address Line 2:
Street Predirection:
Street Name:
Street Suffix:
Street Postdirection:
Secondary Abbreviation:
Secondary Number:
Secondary Validated:
USPS Carrier Route:
State FP:
County FP:
Census Tract:
Census Block:
Geocoding Precision:
Time Zone:
DST Observed:
Place FP:
City Municipality:
Sales Tax Rate, %:
Sales Tax Jurisdiction:

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Who Uses YAddress

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What YAddress Does

Address Correction

Corrects thousands of typos, misspellings, common abbreviations and other text entry errors in postal addresses.

Address Validation

Returned address is known to represent a valid location. If not, you get an error code.

Address Standardization

Every address is presented in the USPS standard format, suitable for mailing and direct string comparison of addresses.

Address Geocoding

Returns latitude and longitude of the address" location on the map with precision to the exact building.

Sales Tax Rates

Find exact local sales tax rate on the level of individual address, ZIP code, or city, and which jurisdiction imposes it.

And more...

Returns many other data fields such as FIPS codes for state and county, US Census Bureau tract and block, time zone, and many more. See Web API for details.


Three Ways to Use YAddress


Use convenient RESTful API on the Web. JSON and XML-formatted responses.


Software Package

Deploy and host locally on your own hardware.


Batch Processing

Upload a batch of addresses in a file for one-time processing.


YAddress with SQL Server

Call YAddress directly from SQL Server

Make YAddress calls directly from SQL queries and stored procedures. Or incorporate YAddress into your SSIS ETL packages.

Learn more about SQL Server integration...

YAddress in Excel

Validate addresses in Excel spreadsheets

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.

See YAddress Tutorial for Excel...