I can't open my yahoo mail

Hello, i just want to tell my problem to you guys regarding my yahoo mail,,, i've already tried it for several times but until now i can't access my yahoo mail account it always say's i have to verify it and they will send the verification code on my first
mobile number.the problem is im not using it coz i've already chaged it and its not working anymore. is there any alternative ways to access my account coz i need it so badly. hope you can help me guys...please please please...

thanks in advance.