Welcome to the Address Correction and Zip+4 Lookup tool from CDX Technologies. To use the tool enter a single line or multi field address and press the Generate Report button.

The created report will contain information on a corrected and standardized USPS address and matching Zip+4 data. Additional information will be included such as the county name, county FIPs, state FIPS, congressional district, timezone and more. To create similar reports, please check out our CDXStreamer and CDXGeodata software to analyze thousands of zip codes at one time.

This application is also available in the Microsoft Windows Store and can be found here.

Data Usage

The information available on this site is the property of CDX Technologies, a division of Hughes Financial Services Inc. (HFS). HFS may license certain data feeds from others and this information remains the property of the copyright holders.

HFS grants the users of this site the right to access this data for personal, noncommercial purposes. No part of this site may be used for commercial purposes, except as permitted in writing by HFS.


We have obtained this information from sources believed by us to be reliable. All information and reports provided to you AS IS without warranty of any kind. Your use of the site indicates acceptance of these terms and we and our licensors will not be responsible for damages of any type.

Example Report

Address Correction Example Report