My password is known & i can't get my security code to log inFB

i have changed my phone, now i am using a very simple phone which has no ability to browse internet. I've used 10 codes from code generator but suddenly i can not log in my Facebook account even using my trusted browser. i have tried to send me security code by text message but i am failed to get any code.though Facebook shows they have send me code but i can not get any code. since 15 days i can not log in my Facebook,,,,,,, please help me how can i solve this? this is not the question of password recovery , i just want to get my security code by text message or any way to log in Facebook. plz help me