Also check https://www.facebook.com/ads/preferences/?entry_product=information_about_you&section_id=interacted#interacted https://www.facebook.com/ads/preferenc

Also check https://www.facebook.com/ads/preferences/?entry_product=information_about_you&section_id=interacted#interacted https://www.facebook.com/ads/preferences/?entry_product=info... to see who has uploaded lists including your email or phone number to to facebook. Wonder what GDPR say about uploading this type of lists