Here is how to contact Facebook live customer service:

• Contact Facebook Customer Service via Twitter
• Submit your request using Facebook Customer Service Framework
• Get help via Facebook Community

There is no direct live customer service phone number available to reach Facebook customer service. With an audience of 2+ billion people, Facebook is unable to provide phone customer service to everyone. But there are several other ways to reach to Facebook and one of the may work for you.

Submit your request using Facebook Customer Service Framework

Navigate to the Facebook Help Center Report Something page and choose the topic relevant to your request or complaint. After that, you will see instructions on how to act in your specific case.

Contact Facebook Customer Service via Twitter

You can contact Facebook live customer service via Twitter on Facebook official page on Twitter.

Contact Facebook via Phone

If you have an issue which you think may be resolved by calling Facebook Headquarters directly you can use following Facebook Phone Number: (650) 543-4800. Please note that this is not a Facebook customer service number but a direct number for their headquarters.

You can contact Facebook UK development office in London either via +44 20 3386 6000 or by navigating to Facebook London page and sending them a message. Please note that this is not a Facebook customer service number but a direct number for Facebook London headquarters.

Get help via Facebook Community

Some customer service questions may be answered on Facebook Community forums.

Contact Facebook Business Customer Support

To get help with Facebook Business navigate to Facebook Business Resources page.

Contact Facebook Customer Service about Copyright Infirdgement or Trademark Violation

You can use Reporting a Violation or Infringement of Your Rights form on Facebook to report Copyright Infirdgement or Trademark Violation.

Complaints about Facebook via BBB

If you have an issue or complaint about Facebook which you unable to resolve via Facebook customer service you can file a complaint via Facebook BBB page

Facebook Mailing Address

Below is official Facebook mailing address:
Facebook
1601 Willow Rd
Menlo Park, CA 94025-1452

Helpful Urls on How to Contact Facebook Customer Service

Here is a great list compiled on ways how to contact Facebook customer service about various issues. Even though it mostly repeats Facebook Help Center Report Something you may still find something helpful there

And here is another Facebook Directory of Feedback Forms.