What is this number 650 543 4800? ((#Facebook*Help*Centre*US#Contact us))

To contact Facebook directly by phone, use the 1-844-411-1294 or 📲 1-(650)-543-4800 number. You can also use the other available options, where you’ll find answers to various common questions, including chat support, email support forms, and community forums.

Source: https://portal.exportcontrolsforms.defence.gov.au/forums/general-discussion/177dec20-1927-ef11-8ee7-0022489905b0