Locked out of my yahoo acct...forgot the 12 year old questions

I left Hawaii USA 1 week ago with a normal yahoo account full of my family and business mail...I get here in Bangkok go to internet cafe' as my laptop is broken...and I am locked out...yahoo is telling me to go to a cel phone and retrieve a sms? or voice? verification info...I have no idea what our old cel phone numbers are....and the birth dates they are asking for were all picked at random so as not! to set up any details...my husband and I are desperate for any help....and are trying to get help in our davidborne888 at gmail acct as well....thank you...Linda