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. Only include address data (address, city, state) without names or other data. Click here for further instructions on how to format your address list.
Simply drag & drop or select your data file below to begin!