When you get blocked, you don’t see your account in option of ‘find my Facebook account’. When you face logging trouble, you get the options to recover your blocked account through “choose a security check”.
You will get 2 options to recover your account. Select first option “Text a security code to your phone”. Now you will get one security code on your registered (registered with Facebook) number. Through this step, you can login to Facebook with phone number swiftly.
If you don’t have registered number with you anymore, don’t lose hope because Facebook provides you with another option for ‘how to recover Facebook account. This option is “Identify photos of friends”. Through this Facebook confirm your identity. So, click on this option.