Cant get code from yahoo because phone number had change.

Hello
need to log in to my facebook account..but i forget the password ,and it ask me to go to yahoo for recovery..i follow the instruction...but the problem its..i have change my phone number to the new one..and the old number its not available..and i dont recevied the sms code for me to recovery my yahoo.emel.. its there another way? coz i really need this account..and 1 more thing,why i dont received the secret question..???..sory for my bad english.. plzz help...plz reply to my ***@***