There could be several reasons why you’re blocked on Facebook Messenger. Maybe you were harassing someone, or maybe someone just didn’t want to talk to you anymore. To find out if you’ve been blocked, open up Facebook Messenger and try to send a message to the person who you think has blocked you. If you get an error message that says “This person isn’t available,” then you’ve been blocked.
Video – How Do You Know If Your Blocked On Facebook Messenger
If you can’t see the person you’re trying to talk to on Facebook Messenger, it means you’ve been blocked. Unfortunately, there’s no way to tell for sure if you’ve been blocked until you try to message them. If you get a message that says “This person isn’t available right now,” then they’ve blocked you.