Did you not also enter your email address to complete your facebook profile? Generally, Facebook requires an email, even if you do use your phone number ti sign in. You would be able to reset your login details using that email address.
SOURCE: How do you log off/ sign off facebook?
Hi,
If you wish the log out or sign out of the Facebook, kindly click the "Account" tab at the top-right of the Facebook page and select "Logout" from the drop-down menu. (See attached image)
Thanks for using FixYa.
Testimonial: "Thank-you for your quick response. I did manage to figure it out on my own;quite by accident."
SOURCE: Please help I cannot log into facebook new acount
you can reset you password by visiting
https://www.facebook.com/recover.php 
1- Enter your email where it says "Option 1"
2-Click Search button
3- you'll be asked to enter two words for the security check
4-after that an email will be sent to you in order to reset your password
SOURCE: Unable to get sms codes from facebook because i have a new number
Log into facebook and go to edit profile in the top left corner. Go to contact information and update your phone number
SOURCE: I recently changed phones and phone numbers and
While logged into facebook, click your name towards the top right of the screen, click about, scroll down to contact information, then click edit
61 views
Usually answered in minutes!
×