For SSL certificates with organization validation, one of the validation steps is to check the phone number of the organization. To pass the verification, the certification center searches for your company in one of the public telephone directories, such as the “Yellow Pages” and if your company is found, it makes a verification call to the found phone number. The call is properly made by English-speaking employees, so it is desirable for you to have an employee who speaks English answer the phone at the time of the inspection.

What directories must your company be in in order for you to pass phone number verification?

To view the list of international phone directories that are checked, click here:

For Ukraine, the most relevant directories are:

Also, verification can be done through the Dun & Bradstreet directory if your company is present in this directory, then you need to report your DUNS number to the certification center in order to verify the phone number.

In case the number that the certification authority has chosen for verification in one of these sources is no longer valid or you cannot pass the verification by it, then you have several options:

  1. You can change your data in the existing directory
  2. You can register in the new directory.
  3. If none of these options does not suit you, then you can write a letter, on official letterhead of the company, signed and stamped, and specify in it the name of your company and the current phone number to validate.

 SSL Certificates
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