It says that I haven't logged in from this browser then it asks for a code which I can...
GetHuman-youmight's customer service issue with Facebook from April 2018
Help with my Facebook issue
GetHuman-youmight's next move: go to the Facebook help center.
Facebook doesn't have a customer phone number that is answered by an agent. Instead, GetHuman-youmight will want to follow the link below to head to their help center. We will check on GetHuman-youmight later to make sure it's all set or try to help escalate.