Check your list of US addresses and add Zip+4 data using this Bulk Address Correction tool from CDX Technologies. Use your existing CDXStreamer account or pay $.01 per address using your credit card or PayPal (minimum charge of $9.95). Up to 20,000 address can be processed in a single report. For a quick review of how to use this tool check out this Youtube video.
Upload your input address file in csv or Excel .xlsx format in a single worksheet. Be sure to include address data (address, city, state) in consecutive columns. Click here for further instructions on how to format your address list.
An example of an single column input file can be downloaded here. A multi-column input file is available at this link. These inputs will produce the following output data file . The output data file is in exactly the same row order as the input file including blanks and errors. Optional data such as a name or reference number can be included by specifying headers with the first column name set to 'ID' as in the following file example.
Simply drag & drop or select your data file below to begin!