If you have registered your alternate email to your Yahoo account, you can use it to recover access to your account. Use the Sign-in Helper to start the recovery process.
If you no longer have access to the number listed on your account, then you need to report it to Yahoo. Go to the support center help.yahoo.com/kb/account
Then select option 8 fix problems signing into your yahoo account.
thanks....but when I go to that option it need phone number
. That phone number not working now.