Facebook provides a verification code to your email or phone number once you sign up for an account.
Facebook Not Sending Code, the only thing you have to do if Facebook doesn't give you a confirmation code is check your spam folder.
Please verify that you entered the correct email address in the field provided.
Check that your Internet connection is strong.
Check your mail and see if there is any spam or promotional materials there.
After viewing, click the link to go to the page with more information.
Verify your Facebook account by entering your password
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