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Supported List Types


What type of lists can I upload?

Currently we support text files with data seperated by fixed widths or delimiters. The only required column in your file is the fax number. The full file format that we support is as follows:

  • FirstName, 50 characters
  • MiddleName, 50 characters
  • LastName, 50 characters
  • DestinationType, numeric (1 = fax, 2 = email)
  • EmailAddress, 50 characters
  • Company, 50 characters
  • Address1, 255 characters
  • Address2, 255 characters
  • Address3, 255 characters
  • City, 50 characters
  • State, 50 characters
  • PostalCode, 50 characters
  • Salutation, 20 characters
  • SIC, 4 characters
  • Phone, 50 characters
  • UserDefined1, 255 characters
  • UserDefined2, 255 characters
  • UserDefined3, 255 characters
  • UserDefined4, 255 characters
  • UserDefined5, 255 characters

Click here to download a sample text file.


"I am very happy that I made the switch from my fax machine to FlatRateFax.com. When I am waiting on an important fax, I no longer have to worry about my fax machine being out of paper or toner, or a paper jam ruining my fax. I'll never own another fax machine. Thank You FlatRateFax.com!!!!!"
Eden Construction Partnership, Inc.


"You folks are really good with customer service. I wish everyone I dealt with was as responsive."
Jeudi J.
AT&T Business Solutions



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