Looking for logging into the Facebook Code site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Facebook Code site. After that you can login as usual with your login credentials.
https://www.facebook.com/help/132694786861712?helpref=related
https://ja-jp.facebook.com/help/www/132694786861712?helpref=related
https://ja-jp.facebook.com/help/148104135383285
https://ja-jp.facebook.com/help/www/270942386330392?helpref=faq_content
https://www.facebook.com/help/148104135383285
https://ja-jp.facebook.com/help/427064200647221?helpref=faq_content
https://ja-jp.facebook.com/help/1756727521321961
https://detail.chiebukuro.yahoo.co.jp/qa/question_detail/q14128328149
https://www.makeuseof.com/tag/how-to-use-facebook-login-approvals-code-generator-android/
https://qiita.com/color_box/items/a09d2fc8fe86a3d9b672
https://ccm.net/forum/affich-1038605-facebook-login-approval-code-problem
https://stackoverflow.com/questions/8666316/facebook-oauth-2-0-code-and-token
https://youtachannel.com/how-to-relogin-facebook/