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Upload Your Customer List


Step 1 - Upload Your File 

It's easy! Choose any Excel (xlsx only), csv, or delimited text file containing your addressed list and add it to the box below. You can drag and drop the file into the box below or just click it to browse the files on your computer.

Once you upload your custom list, we will validate it.

Need Help?

Have questions about how to use this? Questions about the results? No worries - please feel free to ask for help!


File Requirements
  • Do not include commas within your data fields. For example: "John, Q" for the First Name. This will cause issues with CSV and TXT files.
  • xlsx, csv, or txt files are accepted
  • Text and CSV files must be comma delimited
  • Place apartment, suite, and lot numbers in a Address 2 column. USPS will not recognize that as a valid street address.
  • File size cannot exceed 4MB
  • Download a sample Excel (.xlsx) file.


 Processing your list...


(This could take a few minutes.)



Step 2 - Identify Your Fields

Great! Now identify each column for the file you uploaded. Your file must contain these required columns: First Name, Last Name, Address, City, State, and Zip Code. Additional columns such as Address 2 and Company Name are optional.

Shown below is a preview of your data file which contains the first 10 rows of data.





Processing your list...
(This could take a few minutes.)




Step 3: Save your list

Import Summary

  • Total Detected Addresses

    We detected  address records in your file prior to USPS validation.

  • Valid Addresses

    From the data you provided, we detected addresses that we can send your mail to.

  • Invalid Addresses

    Unfortunately, we did not find any valid addresses in this list. Please verify your list and ask us for help if needed.

    We detected  addresses that contained errors.
    These errors can be from invalid characters or addresses not recognized by the USPS.


 Start over?

Save Your List

You have  valid address ready to be uploaded.

When you are ready, please provide a file name for your custom uploaded list and click Save & Continue.

Save & Continue