I'm sorry, but as of my last knowledge update in January 2022, Facebook doesn't offer direct customer service through a traditional phone number. Instead,1-855-974-1385 they primarily provide support through their Help Center, online forms, and community forums. Keep in mind that policies and services may have changed since then. Here's a comprehensive guide to help you navigate Facebook support channels:

Instant Messenger: https://groups.google.com/g/microsoft.public.excel/c/jZiTfo1axqI