How do i contact Facebook customer service by phone? | Facebook phone number

1855-407-3999Facebook is the world’s largest social networking service that helps people communicate more efficiently with their friends, family, and coworkers. according to The New York Times, Facebook has more than 800 million active users around the world. The public favours Facebook as a way to “keep in touch with friends.1855-407-3999
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https://www.facebook.com/help/community/question/?id=148026649152262