In order to verify your company phone number, it has be shown in any of the links like : (www.dnb.com) or (www.hoovers.com) including local/national registration agencies and reputable third party databases.. So please update the Company name,address and Phone number in any one of the above web site.
My company is registered in Norway, and having the company's email and domain listed in the national company registry does not help. I'm currently in SE Asia, and I have to go back to to this:
[...] you can send an attestation letter signed by your attorney, Certified Public Accountant or Latin Notary (where legally recognized) verifying the telephone number. You can download sample text for the letter [...]
We need Let's Encrypt for code signing. But how can we automate identity validation? Verify the e-mail address or phone number with a national registry, where possible?