In order to delete a Facebook account permanently, the user only needs to log into a valid account and contact the company through the "let us know" link. Another option for account removal is to have the account deactivated.Know More
For an individual who wants to have the option to reactivate an account, deactivation is the answer. To deactivate a Facebook account, a user should log into the site, go to account settings and then select the security setting. The account can be deactivated by selecting "deactivate the account." In order to reactivate the account, the owner must log back in using the original account information.