TT is forbidden by law to help you in this situation ... only YOU can verify your own identity. So if you cannot do it online or by phone then your only other option is in person at an IRS office near you. You may also want to get an IP PIN so you don't go thru this again. File form 14039 : https://www.irs.gov/newsroom/when-to-file-a-form-14039-identity-theft-affidavit
