Facebook does not offer a general public support phone number for most users
Use the Help Center: https://www.facebook.com/help
Open the Facebook app or website and go to Help and Support
Select Report a Problem to submit an issue directly
Use the Meta Business Help Center for business-related support: https://www.facebook.com/business/help
Use Meta Support if you have access through an ad account or business account
Check your Support Inbox in Facebook or Meta Business Suite for replies
Use the Account Recovery options if you cannot log in: https://www.facebook.com/login/identify
Visit the official Meta Help pages for the latest contact options
Avoid third-party phone numbers claiming to be Facebook support