Facebook probably has your phone number, even if you never shared it. Now it has a secret tool to let you delete it.

Facebook's parent firm Meta has quietly rolled out a new service that lets people check whether the firm holds their contact information, such as their phone number or email address, and delete and block it.

from Pocket https://www.businessinsider.com/facebook-has-hidden-tool-to-delete-your-phone-number-email-2022-10
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